Home / 40,290.68-55,601.20-22,385.20

Finding the Fourth Proportional to 40,290.68, 55,601.20 and 22,385.20

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Solution

The fourth proportional to 40,290.68, 55,601.20 and 22,385.20 is: 30,891.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,290.68 : 55,601.20 = 22,385.20 : x
  2. Step 2: Convert to fraction form
    40,290.68/55,601.20 = 22,385.20/x
  3. Step 3: Cross multiply
    40,290.68x = 55,601.20 × 22,385.20
  4. Step 4: Simplify right side
    40,290.68x = 1,244,643,982.24
  5. Step 5: Solve for x
    x = 1,244,643,982.24/40,290.68
  6. Step 6: Final answer
    x = 30,891.61

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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.