Home / 30,598.66-42,226.92-17,170.99

Finding the Fourth Proportional to 30,598.66, 42,226.92 and 17,170.99

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Solution

The fourth proportional to 30,598.66, 42,226.92 and 17,170.99 is: 23,696.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,598.66 : 42,226.92 = 17,170.99 : x
  2. Step 2: Convert to fraction form
    30,598.66/42,226.92 = 17,170.99/x
  3. Step 3: Cross multiply
    30,598.66x = 42,226.92 × 17,170.99
  4. Step 4: Simplify right side
    30,598.66x = 725,077,915.48
  5. Step 5: Solve for x
    x = 725,077,915.48/30,598.66
  6. Step 6: Final answer
    x = 23,696.39

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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.