Home / 40,904.20-61,356.30-40,612.60

Finding the Fourth Proportional to 40,904.20, 61,356.30 and 40,612.60

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Solution

The fourth proportional to 40,904.20, 61,356.30 and 40,612.60 is: 60,918.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,904.20 : 61,356.30 = 40,612.60 : x
  2. Step 2: Convert to fraction form
    40,904.20/61,356.30 = 40,612.60/x
  3. Step 3: Cross multiply
    40,904.20x = 61,356.30 × 40,612.60
  4. Step 4: Simplify right side
    40,904.20x = 2,491,838,869.38
  5. Step 5: Solve for x
    x = 2,491,838,869.38/40,904.20
  6. Step 6: Final answer
    x = 60,918.90

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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.