Home / 40,695.60-61,082.85-19,650.49

Finding the Fourth Proportional to 40,695.60, 61,082.85 and 19,650.49

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Solution

The fourth proportional to 40,695.60, 61,082.85 and 19,650.49 is: 29,494.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,695.60 : 61,082.85 = 19,650.49 : x
  2. Step 2: Convert to fraction form
    40,695.60/61,082.85 = 19,650.49/x
  3. Step 3: Cross multiply
    40,695.60x = 61,082.85 × 19,650.49
  4. Step 4: Simplify right side
    40,695.60x = 1,200,307,933.10
  5. Step 5: Solve for x
    x = 1,200,307,933.10/40,695.60
  6. Step 6: Final answer
    x = 29,494.78

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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.