Home / 40,439.75-55,806.10-22,534.38

Finding the Fourth Proportional to 40,439.75, 55,806.10 and 22,534.38

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Solution

The fourth proportional to 40,439.75, 55,806.10 and 22,534.38 is: 31,097.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,439.75 : 55,806.10 = 22,534.38 : x
  2. Step 2: Convert to fraction form
    40,439.75/55,806.10 = 22,534.38/x
  3. Step 3: Cross multiply
    40,439.75x = 55,806.10 × 22,534.38
  4. Step 4: Simplify right side
    40,439.75x = 1,257,555,863.72
  5. Step 5: Solve for x
    x = 1,257,555,863.72/40,439.75
  6. Step 6: Final answer
    x = 31,097.02

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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.