Home / 42,552.50-63,828.75-11,387.06

Finding the Fourth Proportional to 42,552.50, 63,828.75 and 11,387.06

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Solution

The fourth proportional to 42,552.50, 63,828.75 and 11,387.06 is: 17,080.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,552.50 : 63,828.75 = 11,387.06 : x
  2. Step 2: Convert to fraction form
    42,552.50/63,828.75 = 11,387.06/x
  3. Step 3: Cross multiply
    42,552.50x = 63,828.75 × 11,387.06
  4. Step 4: Simplify right side
    42,552.50x = 726,821,805.98
  5. Step 5: Solve for x
    x = 726,821,805.98/42,552.50
  6. Step 6: Final answer
    x = 17,080.59

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Double scale
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Similar ratio
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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.