Home / 40,272.08-55,575.16-22,123.04

Finding the Fourth Proportional to 40,272.08, 55,575.16 and 22,123.04

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Solution

The fourth proportional to 40,272.08, 55,575.16 and 22,123.04 is: 30,529.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,272.08 : 55,575.16 = 22,123.04 : x
  2. Step 2: Convert to fraction form
    40,272.08/55,575.16 = 22,123.04/x
  3. Step 3: Cross multiply
    40,272.08x = 55,575.16 × 22,123.04
  4. Step 4: Simplify right side
    40,272.08x = 1,229,491,487.69
  5. Step 5: Solve for x
    x = 1,229,491,487.69/40,272.08
  6. Step 6: Final answer
    x = 30,529.62

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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.