Home / 42,641.38-63,975.42-17,693.20

Finding the Fourth Proportional to 42,641.38, 63,975.42 and 17,693.20

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Solution

The fourth proportional to 42,641.38, 63,975.42 and 17,693.20 is: 26,545.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,641.38 : 63,975.42 = 17,693.20 : x
  2. Step 2: Convert to fraction form
    42,641.38/63,975.42 = 17,693.20/x
  3. Step 3: Cross multiply
    42,641.38x = 63,975.42 × 17,693.20
  4. Step 4: Simplify right side
    42,641.38x = 1,131,929,901.14
  5. Step 5: Solve for x
    x = 1,131,929,901.14/42,641.38
  6. Step 6: Final answer
    x = 26,545.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.