Home / 40,841.04-61,134.24-31,456.80

Finding the Fourth Proportional to 40,841.04, 61,134.24 and 31,456.80

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Solution

The fourth proportional to 40,841.04, 61,134.24 and 31,456.80 is: 47,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,841.04 : 61,134.24 = 31,456.80 : x
  2. Step 2: Convert to fraction form
    40,841.04/61,134.24 = 31,456.80/x
  3. Step 3: Cross multiply
    40,841.04x = 61,134.24 × 31,456.80
  4. Step 4: Simplify right side
    40,841.04x = 1,923,087,560.83
  5. Step 5: Solve for x
    x = 1,923,087,560.83/40,841.04
  6. Step 6: Final answer
    x = 47,087.13

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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.