Home / 40,695.20-61,136.61-39,013.73

Finding the Fourth Proportional to 40,695.20, 61,136.61 and 39,013.73

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Solution

The fourth proportional to 40,695.20, 61,136.61 and 39,013.73 is: 58,610.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,695.20 : 61,136.61 = 39,013.73 : x
  2. Step 2: Convert to fraction form
    40,695.20/61,136.61 = 39,013.73/x
  3. Step 3: Cross multiply
    40,695.20x = 61,136.61 × 39,013.73
  4. Step 4: Simplify right side
    40,695.20x = 2,385,166,889.97
  5. Step 5: Solve for x
    x = 2,385,166,889.97/40,695.20
  6. Step 6: Final answer
    x = 58,610.52

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1.5x scale

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.