Home / 47,861.80-71,760.30-25,376.20

Finding the Fourth Proportional to 47,861.80, 71,760.30 and 25,376.20

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Solution

The fourth proportional to 47,861.80, 71,760.30 and 25,376.20 is: 38,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,861.80 : 71,760.30 = 25,376.20 : x
  2. Step 2: Convert to fraction form
    47,861.80/71,760.30 = 25,376.20/x
  3. Step 3: Cross multiply
    47,861.80x = 71,760.30 × 25,376.20
  4. Step 4: Simplify right side
    47,861.80x = 1,821,003,724.86
  5. Step 5: Solve for x
    x = 1,821,003,724.86/47,861.80
  6. Step 6: Final answer
    x = 38,047.12

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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.