Home / 40,171.28-55,434.33-22,266.09

Finding the Fourth Proportional to 40,171.28, 55,434.33 and 22,266.09

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Solution

The fourth proportional to 40,171.28, 55,434.33 and 22,266.09 is: 30,726.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,171.28 : 55,434.33 = 22,266.09 : x
  2. Step 2: Convert to fraction form
    40,171.28/55,434.33 = 22,266.09/x
  3. Step 3: Cross multiply
    40,171.28x = 55,434.33 × 22,266.09
  4. Step 4: Simplify right side
    40,171.28x = 1,234,305,780.87
  5. Step 5: Solve for x
    x = 1,234,305,780.87/40,171.28
  6. Step 6: Final answer
    x = 30,726.08

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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.