Home / 42,542.79-63,814.17-11,377.23

Finding the Fourth Proportional to 42,542.79, 63,814.17 and 11,377.23

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Solution

The fourth proportional to 42,542.79, 63,814.17 and 11,377.23 is: 17,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,542.79 : 63,814.17 = 11,377.23 : x
  2. Step 2: Convert to fraction form
    42,542.79/63,814.17 = 11,377.23/x
  3. Step 3: Cross multiply
    42,542.79x = 63,814.17 × 11,377.23
  4. Step 4: Simplify right side
    42,542.79x = 726,028,489.35
  5. Step 5: Solve for x
    x = 726,028,489.35/42,542.79
  6. Step 6: Final answer
    x = 17,065.84

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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.