Home / 42,681.87-63,963.27-33,279.03

Finding the Fourth Proportional to 42,681.87, 63,963.27 and 33,279.03

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Solution

The fourth proportional to 42,681.87, 63,963.27 and 33,279.03 is: 49,872.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,681.87 : 63,963.27 = 33,279.03 : x
  2. Step 2: Convert to fraction form
    42,681.87/63,963.27 = 33,279.03/x
  3. Step 3: Cross multiply
    42,681.87x = 63,963.27 × 33,279.03
  4. Step 4: Simplify right side
    42,681.87x = 2,128,635,581.23
  5. Step 5: Solve for x
    x = 2,128,635,581.23/42,681.87
  6. Step 6: Final answer
    x = 49,872.13

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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.