Home / 47,587.48-71,375.55-12,529.87

Finding the Fourth Proportional to 47,587.48, 71,375.55 and 12,529.87

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Solution

The fourth proportional to 47,587.48, 71,375.55 and 12,529.87 is: 18,793.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,587.48 : 71,375.55 = 12,529.87 : x
  2. Step 2: Convert to fraction form
    47,587.48/71,375.55 = 12,529.87/x
  3. Step 3: Cross multiply
    47,587.48x = 71,375.55 × 12,529.87
  4. Step 4: Simplify right side
    47,587.48x = 894,326,362.68
  5. Step 5: Solve for x
    x = 894,326,362.68/47,587.48
  6. Step 6: Final answer
    x = 18,793.31

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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.