Home / 42,437.72-63,654.95-14,359.88

Finding the Fourth Proportional to 42,437.72, 63,654.95 and 14,359.88

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Solution

The fourth proportional to 42,437.72, 63,654.95 and 14,359.88 is: 21,539.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,437.72 : 63,654.95 = 14,359.88 : x
  2. Step 2: Convert to fraction form
    42,437.72/63,654.95 = 14,359.88/x
  3. Step 3: Cross multiply
    42,437.72x = 63,654.95 × 14,359.88
  4. Step 4: Simplify right side
    42,437.72x = 914,077,161.03
  5. Step 5: Solve for x
    x = 914,077,161.03/42,437.72
  6. Step 6: Final answer
    x = 21,539.26

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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.