Home / 42,542.03-63,813.04-11,376.47

Finding the Fourth Proportional to 42,542.03, 63,813.04 and 11,376.47

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Solution

The fourth proportional to 42,542.03, 63,813.04 and 11,376.47 is: 17,064.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,542.03 : 63,813.04 = 11,376.47 : x
  2. Step 2: Convert to fraction form
    42,542.03/63,813.04 = 11,376.47/x
  3. Step 3: Cross multiply
    42,542.03x = 63,813.04 × 11,376.47
  4. Step 4: Simplify right side
    42,542.03x = 725,967,135.17
  5. Step 5: Solve for x
    x = 725,967,135.17/42,542.03
  6. Step 6: Final answer
    x = 17,064.70

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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.