Home / 40,221.20-60,346.20-16,854.80

Finding the Fourth Proportional to 40,221.20, 60,346.20 and 16,854.80

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Solution

The fourth proportional to 40,221.20, 60,346.20 and 16,854.80 is: 25,288.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,221.20 : 60,346.20 = 16,854.80 : x
  2. Step 2: Convert to fraction form
    40,221.20/60,346.20 = 16,854.80/x
  3. Step 3: Cross multiply
    40,221.20x = 60,346.20 × 16,854.80
  4. Step 4: Simplify right side
    40,221.20x = 1,017,123,131.76
  5. Step 5: Solve for x
    x = 1,017,123,131.76/40,221.20
  6. Step 6: Final answer
    x = 25,288.23

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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.