Home / 41,318.64-57,019.68-22,455.90

Finding the Fourth Proportional to 41,318.64, 57,019.68 and 22,455.90

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Solution

The fourth proportional to 41,318.64, 57,019.68 and 22,455.90 is: 30,989.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,318.64 : 57,019.68 = 22,455.90 : x
  2. Step 2: Convert to fraction form
    41,318.64/57,019.68 = 22,455.90/x
  3. Step 3: Cross multiply
    41,318.64x = 57,019.68 × 22,455.90
  4. Step 4: Simplify right side
    41,318.64x = 1,280,428,232.11
  5. Step 5: Solve for x
    x = 1,280,428,232.11/41,318.64
  6. Step 6: Final answer
    x = 30,989.12

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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.