Home / 40,998.20-61,497.30-40,220.60

Finding the Fourth Proportional to 40,998.20, 61,497.30 and 40,220.60

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Solution

The fourth proportional to 40,998.20, 61,497.30 and 40,220.60 is: 60,330.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,998.20 : 61,497.30 = 40,220.60 : x
  2. Step 2: Convert to fraction form
    40,998.20/61,497.30 = 40,220.60/x
  3. Step 3: Cross multiply
    40,998.20x = 61,497.30 × 40,220.60
  4. Step 4: Simplify right side
    40,998.20x = 2,473,458,304.38
  5. Step 5: Solve for x
    x = 2,473,458,304.38/40,998.20
  6. Step 6: Final answer
    x = 60,330.90

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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.