Home / 42,542.07-63,808.27-11,379.75

Finding the Fourth Proportional to 42,542.07, 63,808.27 and 11,379.75

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Solution

The fourth proportional to 42,542.07, 63,808.27 and 11,379.75 is: 17,068.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,542.07 : 63,808.27 = 11,379.75 : x
  2. Step 2: Convert to fraction form
    42,542.07/63,808.27 = 11,379.75/x
  3. Step 3: Cross multiply
    42,542.07x = 63,808.27 × 11,379.75
  4. Step 4: Simplify right side
    42,542.07x = 726,122,132.08
  5. Step 5: Solve for x
    x = 726,122,132.08/42,542.07
  6. Step 6: Final answer
    x = 17,068.33

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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.