Home / 51,691.22-77,537.18-14,253.31

Finding the Fourth Proportional to 51,691.22, 77,537.18 and 14,253.31

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Solution

The fourth proportional to 51,691.22, 77,537.18 and 14,253.31 is: 21,380.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,691.22 : 77,537.18 = 14,253.31 : x
  2. Step 2: Convert to fraction form
    51,691.22/77,537.18 = 14,253.31/x
  3. Step 3: Cross multiply
    51,691.22x = 77,537.18 × 14,253.31
  4. Step 4: Simplify right side
    51,691.22x = 1,105,161,463.07
  5. Step 5: Solve for x
    x = 1,105,161,463.07/51,691.22
  6. Step 6: Final answer
    x = 21,380.06

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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.