Home / 40,073.28-55,305.26-23,078.08

Finding the Fourth Proportional to 40,073.28, 55,305.26 and 23,078.08

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Solution

The fourth proportional to 40,073.28, 55,305.26 and 23,078.08 is: 31,850.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,073.28 : 55,305.26 = 23,078.08 : x
  2. Step 2: Convert to fraction form
    40,073.28/55,305.26 = 23,078.08/x
  3. Step 3: Cross multiply
    40,073.28x = 55,305.26 × 23,078.08
  4. Step 4: Simplify right side
    40,073.28x = 1,276,339,214.70
  5. Step 5: Solve for x
    x = 1,276,339,214.70/40,073.28
  6. Step 6: Final answer
    x = 31,850.13

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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.