Home / 40,269.20-60,418.20-16,902.80

Finding the Fourth Proportional to 40,269.20, 60,418.20 and 16,902.80

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Solution

The fourth proportional to 40,269.20, 60,418.20 and 16,902.80 is: 25,360.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,269.20 : 60,418.20 = 16,902.80 : x
  2. Step 2: Convert to fraction form
    40,269.20/60,418.20 = 16,902.80/x
  3. Step 3: Cross multiply
    40,269.20x = 60,418.20 × 16,902.80
  4. Step 4: Simplify right side
    40,269.20x = 1,021,236,750.96
  5. Step 5: Solve for x
    x = 1,021,236,750.96/40,269.20
  6. Step 6: Final answer
    x = 25,360.24

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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.