Home / 40,158.09-55,420.38-22,252.71

Finding the Fourth Proportional to 40,158.09, 55,420.38 and 22,252.71

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Solution

The fourth proportional to 40,158.09, 55,420.38 and 22,252.71 is: 30,709.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,158.09 : 55,420.38 = 22,252.71 : x
  2. Step 2: Convert to fraction form
    40,158.09/55,420.38 = 22,252.71/x
  3. Step 3: Cross multiply
    40,158.09x = 55,420.38 × 22,252.71
  4. Step 4: Simplify right side
    40,158.09x = 1,233,253,644.23
  5. Step 5: Solve for x
    x = 1,233,253,644.23/40,158.09
  6. Step 6: Final answer
    x = 30,709.97

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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.