Home / 47,859.44-71,614.20-28,147.28

Finding the Fourth Proportional to 47,859.44, 71,614.20 and 28,147.28

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Solution

The fourth proportional to 47,859.44, 71,614.20 and 28,147.28 is: 42,118.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,859.44 : 71,614.20 = 28,147.28 : x
  2. Step 2: Convert to fraction form
    47,859.44/71,614.20 = 28,147.28/x
  3. Step 3: Cross multiply
    47,859.44x = 71,614.20 × 28,147.28
  4. Step 4: Simplify right side
    47,859.44x = 2,015,744,939.38
  5. Step 5: Solve for x
    x = 2,015,744,939.38/47,859.44
  6. Step 6: Final answer
    x = 42,118.02

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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.