Home / 40,062.20-55,285.56-22,156.55

Finding the Fourth Proportional to 40,062.20, 55,285.56 and 22,156.55

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Solution

The fourth proportional to 40,062.20, 55,285.56 and 22,156.55 is: 30,575.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,062.20 : 55,285.56 = 22,156.55 : x
  2. Step 2: Convert to fraction form
    40,062.20/55,285.56 = 22,156.55/x
  3. Step 3: Cross multiply
    40,062.20x = 55,285.56 × 22,156.55
  4. Step 4: Simplify right side
    40,062.20x = 1,224,936,997.99
  5. Step 5: Solve for x
    x = 1,224,936,997.99/40,062.20
  6. Step 6: Final answer
    x = 30,575.88

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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.