Home / 47,939.16-71,910.90-18,349.32

Finding the Fourth Proportional to 47,939.16, 71,910.90 and 18,349.32

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Solution

The fourth proportional to 47,939.16, 71,910.90 and 18,349.32 is: 27,524.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,939.16 : 71,910.90 = 18,349.32 : x
  2. Step 2: Convert to fraction form
    47,939.16/71,910.90 = 18,349.32/x
  3. Step 3: Cross multiply
    47,939.16x = 71,910.90 × 18,349.32
  4. Step 4: Simplify right side
    47,939.16x = 1,319,516,115.59
  5. Step 5: Solve for x
    x = 1,319,516,115.59/47,939.16
  6. Step 6: Final answer
    x = 27,524.81

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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.