Home / 52,747.60-79,159.52-20,731.44

Finding the Fourth Proportional to 52,747.60, 79,159.52 and 20,731.44

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Solution

The fourth proportional to 52,747.60, 79,159.52 and 20,731.44 is: 31,112.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,747.60 : 79,159.52 = 20,731.44 : x
  2. Step 2: Convert to fraction form
    52,747.60/79,159.52 = 20,731.44/x
  3. Step 3: Cross multiply
    52,747.60x = 79,159.52 × 20,731.44
  4. Step 4: Simplify right side
    52,747.60x = 1,641,090,839.31
  5. Step 5: Solve for x
    x = 1,641,090,839.31/52,747.60
  6. Step 6: Final answer
    x = 31,112.14

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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.