Home / 40,280.20-60,420.30-39,502.60

Finding the Fourth Proportional to 40,280.20, 60,420.30 and 39,502.60

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Solution

The fourth proportional to 40,280.20, 60,420.30 and 39,502.60 is: 59,253.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,280.20 : 60,420.30 = 39,502.60 : x
  2. Step 2: Convert to fraction form
    40,280.20/60,420.30 = 39,502.60/x
  3. Step 3: Cross multiply
    40,280.20x = 60,420.30 × 39,502.60
  4. Step 4: Simplify right side
    40,280.20x = 2,386,758,942.78
  5. Step 5: Solve for x
    x = 2,386,758,942.78/40,280.20
  6. Step 6: Final answer
    x = 59,253.90

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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.