Home / 47,832.44-71,670.87-28,128.92

Finding the Fourth Proportional to 47,832.44, 71,670.87 and 28,128.92

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Solution

The fourth proportional to 47,832.44, 71,670.87 and 28,128.92 is: 42,147.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,832.44 : 71,670.87 = 28,128.92 : x
  2. Step 2: Convert to fraction form
    47,832.44/71,670.87 = 28,128.92/x
  3. Step 3: Cross multiply
    47,832.44x = 71,670.87 × 28,128.92
  4. Step 4: Simplify right side
    47,832.44x = 2,016,023,810.21
  5. Step 5: Solve for x
    x = 2,016,023,810.21/47,832.44
  6. Step 6: Final answer
    x = 42,147.63

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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.