Home / 40,405.20-55,763.06-22,500.20

Finding the Fourth Proportional to 40,405.20, 55,763.06 and 22,500.20

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Solution

The fourth proportional to 40,405.20, 55,763.06 and 22,500.20 is: 31,052.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,405.20 : 55,763.06 = 22,500.20 : x
  2. Step 2: Convert to fraction form
    40,405.20/55,763.06 = 22,500.20/x
  3. Step 3: Cross multiply
    40,405.20x = 55,763.06 × 22,500.20
  4. Step 4: Simplify right side
    40,405.20x = 1,254,680,002.61
  5. Step 5: Solve for x
    x = 1,254,680,002.61/40,405.20
  6. Step 6: Final answer
    x = 31,052.44

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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.