Home / 42,456.72-63,685.01-11,291.97

Finding the Fourth Proportional to 42,456.72, 63,685.01 and 11,291.97

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Solution

The fourth proportional to 42,456.72, 63,685.01 and 11,291.97 is: 16,937.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,456.72 : 63,685.01 = 11,291.97 : x
  2. Step 2: Convert to fraction form
    42,456.72/63,685.01 = 11,291.97/x
  3. Step 3: Cross multiply
    42,456.72x = 63,685.01 × 11,291.97
  4. Step 4: Simplify right side
    42,456.72x = 719,129,165.91
  5. Step 5: Solve for x
    x = 719,129,165.91/42,456.72
  6. Step 6: Final answer
    x = 16,937.94

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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.