Home / 40,123.20-60,194.50-12,043.20

Finding the Fourth Proportional to 40,123.20, 60,194.50 and 12,043.20

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Solution

The fourth proportional to 40,123.20, 60,194.50 and 12,043.20 is: 18,067.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,123.20 : 60,194.50 = 12,043.20 : x
  2. Step 2: Convert to fraction form
    40,123.20/60,194.50 = 12,043.20/x
  3. Step 3: Cross multiply
    40,123.20x = 60,194.50 × 12,043.20
  4. Step 4: Simplify right side
    40,123.20x = 724,934,402.40
  5. Step 5: Solve for x
    x = 724,934,402.40/40,123.20
  6. Step 6: Final answer
    x = 18,067.71

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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.