Home / 40,223.97-55,508.22-22,318.59

Finding the Fourth Proportional to 40,223.97, 55,508.22 and 22,318.59

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Solution

The fourth proportional to 40,223.97, 55,508.22 and 22,318.59 is: 30,799.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,223.97 : 55,508.22 = 22,318.59 : x
  2. Step 2: Convert to fraction form
    40,223.97/55,508.22 = 22,318.59/x
  3. Step 3: Cross multiply
    40,223.97x = 55,508.22 × 22,318.59
  4. Step 4: Simplify right side
    40,223.97x = 1,238,864,926.27
  5. Step 5: Solve for x
    x = 1,238,864,926.27/40,223.97
  6. Step 6: Final answer
    x = 30,799.17

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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.