Home / 30,572.64-42,170.83-22,087.25

Finding the Fourth Proportional to 30,572.64, 42,170.83 and 22,087.25

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Solution

The fourth proportional to 30,572.64, 42,170.83 and 22,087.25 is: 30,466.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,572.64 : 42,170.83 = 22,087.25 : x
  2. Step 2: Convert to fraction form
    30,572.64/42,170.83 = 22,087.25/x
  3. Step 3: Cross multiply
    30,572.64x = 42,170.83 × 22,087.25
  4. Step 4: Simplify right side
    30,572.64x = 931,437,556.99
  5. Step 5: Solve for x
    x = 931,437,556.99/30,572.64
  6. Step 6: Final answer
    x = 30,466.38

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Find fourth proportional to 30,573.64, 42,172.21 and 22,088.25
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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.