Home / 40,167.16-55,425.38-23,172.04

Finding the Fourth Proportional to 40,167.16, 55,425.38 and 23,172.04

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Solution

The fourth proportional to 40,167.16, 55,425.38 and 23,172.04 is: 31,974.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,167.16 : 55,425.38 = 23,172.04 : x
  2. Step 2: Convert to fraction form
    40,167.16/55,425.38 = 23,172.04/x
  3. Step 3: Cross multiply
    40,167.16x = 55,425.38 × 23,172.04
  4. Step 4: Simplify right side
    40,167.16x = 1,284,319,122.38
  5. Step 5: Solve for x
    x = 1,284,319,122.38/40,167.16
  6. Step 6: Final answer
    x = 31,974.36

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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.