Home / 30,487.16-42,073.92-17,057.62

Finding the Fourth Proportional to 30,487.16, 42,073.92 and 17,057.62

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Solution

The fourth proportional to 30,487.16, 42,073.92 and 17,057.62 is: 23,540.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,487.16 : 42,073.92 = 17,057.62 : x
  2. Step 2: Convert to fraction form
    30,487.16/42,073.92 = 17,057.62/x
  3. Step 3: Cross multiply
    30,487.16x = 42,073.92 × 17,057.62
  4. Step 4: Simplify right side
    30,487.16x = 717,680,939.27
  5. Step 5: Solve for x
    x = 717,680,939.27/30,487.16
  6. Step 6: Final answer
    x = 23,540.43

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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.