Home / 30,477.83-42,057.43-17,046.76

Finding the Fourth Proportional to 30,477.83, 42,057.43 and 17,046.76

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Solution

The fourth proportional to 30,477.83, 42,057.43 and 17,046.76 is: 23,523.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,477.83 : 42,057.43 = 17,046.76 : x
  2. Step 2: Convert to fraction form
    30,477.83/42,057.43 = 17,046.76/x
  3. Step 3: Cross multiply
    30,477.83x = 42,057.43 × 17,046.76
  4. Step 4: Simplify right side
    30,477.83x = 716,942,915.43
  5. Step 5: Solve for x
    x = 716,942,915.43/30,477.83
  6. Step 6: Final answer
    x = 23,523.42

Related Problems

Find fourth proportional to 15,238.92, 21,028.72 and 8,523.38
Half scale
Find fourth proportional to 60,955.66, 84,114.86 and 34,093.52
Double scale
Find fourth proportional to 30,478.83, 42,058.81 and 17,047.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.