Home / 40,868.22-56,397.96-22,718.82

Finding the Fourth Proportional to 40,868.22, 56,397.96 and 22,718.82

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Solution

The fourth proportional to 40,868.22, 56,397.96 and 22,718.82 is: 31,351.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,868.22 : 56,397.96 = 22,718.82 : x
  2. Step 2: Convert to fraction form
    40,868.22/56,397.96 = 22,718.82/x
  3. Step 3: Cross multiply
    40,868.22x = 56,397.96 × 22,718.82
  4. Step 4: Simplify right side
    40,868.22x = 1,281,295,101.61
  5. Step 5: Solve for x
    x = 1,281,295,101.61/40,868.22
  6. Step 6: Final answer
    x = 31,351.87

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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.