Home / 42,474.88-63,718.08-14,769.28

Finding the Fourth Proportional to 42,474.88, 63,718.08 and 14,769.28

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Solution

The fourth proportional to 42,474.88, 63,718.08 and 14,769.28 is: 22,155.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,474.88 : 63,718.08 = 14,769.28 : x
  2. Step 2: Convert to fraction form
    42,474.88/63,718.08 = 14,769.28/x
  3. Step 3: Cross multiply
    42,474.88x = 63,718.08 × 14,769.28
  4. Step 4: Simplify right side
    42,474.88x = 941,070,164.58
  5. Step 5: Solve for x
    x = 941,070,164.58/42,474.88
  6. Step 6: Final answer
    x = 22,155.92

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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.