Home / 40,423.20-55,776.60-22,517.76

Finding the Fourth Proportional to 40,423.20, 55,776.60 and 22,517.76

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Solution

The fourth proportional to 40,423.20, 55,776.60 and 22,517.76 is: 31,070.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,423.20 : 55,776.60 = 22,517.76 : x
  2. Step 2: Convert to fraction form
    40,423.20/55,776.60 = 22,517.76/x
  3. Step 3: Cross multiply
    40,423.20x = 55,776.60 × 22,517.76
  4. Step 4: Simplify right side
    40,423.20x = 1,255,964,092.42
  5. Step 5: Solve for x
    x = 1,255,964,092.42/40,423.20
  6. Step 6: Final answer
    x = 31,070.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.