Home / 47,575.14-71,357.31-12,517.50

Finding the Fourth Proportional to 47,575.14, 71,357.31 and 12,517.50

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Solution

The fourth proportional to 47,575.14, 71,357.31 and 12,517.50 is: 18,774.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,575.14 : 71,357.31 = 12,517.50 : x
  2. Step 2: Convert to fraction form
    47,575.14/71,357.31 = 12,517.50/x
  3. Step 3: Cross multiply
    47,575.14x = 71,357.31 × 12,517.50
  4. Step 4: Simplify right side
    47,575.14x = 893,215,127.93
  5. Step 5: Solve for x
    x = 893,215,127.93/47,575.14
  6. Step 6: Final answer
    x = 18,774.83

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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.