Home / 47,565.16-71,342.06-12,507.55

Finding the Fourth Proportional to 47,565.16, 71,342.06 and 12,507.55

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Solution

The fourth proportional to 47,565.16, 71,342.06 and 12,507.55 is: 18,759.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,565.16 : 71,342.06 = 12,507.55 : x
  2. Step 2: Convert to fraction form
    47,565.16/71,342.06 = 12,507.55/x
  3. Step 3: Cross multiply
    47,565.16x = 71,342.06 × 12,507.55
  4. Step 4: Simplify right side
    47,565.16x = 892,314,235.47
  5. Step 5: Solve for x
    x = 892,314,235.47/47,565.16
  6. Step 6: Final answer
    x = 18,759.83

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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.