Home / 47,379.66-71,045.69-15,778.55

Finding the Fourth Proportional to 47,379.66, 71,045.69 and 15,778.55

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Solution

The fourth proportional to 47,379.66, 71,045.69 and 15,778.55 is: 23,659.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,379.66 : 71,045.69 = 15,778.55 : x
  2. Step 2: Convert to fraction form
    47,379.66/71,045.69 = 15,778.55/x
  3. Step 3: Cross multiply
    47,379.66x = 71,045.69 × 15,778.55
  4. Step 4: Simplify right side
    47,379.66x = 1,120,998,159.43
  5. Step 5: Solve for x
    x = 1,120,998,159.43/47,379.66
  6. Step 6: Final answer
    x = 23,659.90

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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.