Home / 40,760.22-61,050-31,330.80

Finding the Fourth Proportional to 40,760.22, 61,050 and 31,330.80

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Solution

The fourth proportional to 40,760.22, 61,050 and 31,330.80 is: 46,926.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,760.22 : 61,050 = 31,330.80 : x
  2. Step 2: Convert to fraction form
    40,760.22/61,050 = 31,330.80/x
  3. Step 3: Cross multiply
    40,760.22x = 61,050 × 31,330.80
  4. Step 4: Simplify right side
    40,760.22x = 1,912,745,340
  5. Step 5: Solve for x
    x = 1,912,745,340/40,760.22
  6. Step 6: Final answer
    x = 46,926.77

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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.