Home / 47,655.79-71,499.61-18,082.15

Finding the Fourth Proportional to 47,655.79, 71,499.61 and 18,082.15

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Solution

The fourth proportional to 47,655.79, 71,499.61 and 18,082.15 is: 27,129.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,655.79 : 71,499.61 = 18,082.15 : x
  2. Step 2: Convert to fraction form
    47,655.79/71,499.61 = 18,082.15/x
  3. Step 3: Cross multiply
    47,655.79x = 71,499.61 × 18,082.15
  4. Step 4: Simplify right side
    47,655.79x = 1,292,866,672.96
  5. Step 5: Solve for x
    x = 1,292,866,672.96/47,655.79
  6. Step 6: Final answer
    x = 27,129.27

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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.