Home / 40,216.20-60,324.30-12,510.60

Finding the Fourth Proportional to 40,216.20, 60,324.30 and 12,510.60

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Solution

The fourth proportional to 40,216.20, 60,324.30 and 12,510.60 is: 18,765.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,216.20 : 60,324.30 = 12,510.60 : x
  2. Step 2: Convert to fraction form
    40,216.20/60,324.30 = 12,510.60/x
  3. Step 3: Cross multiply
    40,216.20x = 60,324.30 × 12,510.60
  4. Step 4: Simplify right side
    40,216.20x = 754,693,187.58
  5. Step 5: Solve for x
    x = 754,693,187.58/40,216.20
  6. Step 6: Final answer
    x = 18,765.90

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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.