Home / 40,229.20-60,372.60-16,872.40

Finding the Fourth Proportional to 40,229.20, 60,372.60 and 16,872.40

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Solution

The fourth proportional to 40,229.20, 60,372.60 and 16,872.40 is: 25,320.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,229.20 : 60,372.60 = 16,872.40 : x
  2. Step 2: Convert to fraction form
    40,229.20/60,372.60 = 16,872.40/x
  3. Step 3: Cross multiply
    40,229.20x = 60,372.60 × 16,872.40
  4. Step 4: Simplify right side
    40,229.20x = 1,018,630,656.24
  5. Step 5: Solve for x
    x = 1,018,630,656.24/40,229.20
  6. Step 6: Final answer
    x = 25,320.68

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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.