Home / 40,310.80-60,442.56-12,222.40

Finding the Fourth Proportional to 40,310.80, 60,442.56 and 12,222.40

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Solution

The fourth proportional to 40,310.80, 60,442.56 and 12,222.40 is: 18,326.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,310.80 : 60,442.56 = 12,222.40 : x
  2. Step 2: Convert to fraction form
    40,310.80/60,442.56 = 12,222.40/x
  3. Step 3: Cross multiply
    40,310.80x = 60,442.56 × 12,222.40
  4. Step 4: Simplify right side
    40,310.80x = 738,753,145.34
  5. Step 5: Solve for x
    x = 738,753,145.34/40,310.80
  6. Step 6: Final answer
    x = 18,326.43

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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.