Home / 47,677.89-71,489.01-14,387.97

Finding the Fourth Proportional to 47,677.89, 71,489.01 and 14,387.97

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Solution

The fourth proportional to 47,677.89, 71,489.01 and 14,387.97 is: 21,573.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,677.89 : 71,489.01 = 14,387.97 : x
  2. Step 2: Convert to fraction form
    47,677.89/71,489.01 = 14,387.97/x
  3. Step 3: Cross multiply
    47,677.89x = 71,489.01 × 14,387.97
  4. Step 4: Simplify right side
    47,677.89x = 1,028,581,731.21
  5. Step 5: Solve for x
    x = 1,028,581,731.21/47,677.89
  6. Step 6: Final answer
    x = 21,573.56

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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.