Home / 41,620.10-62,424-15,318.72

Finding the Fourth Proportional to 41,620.10, 62,424 and 15,318.72

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Solution

The fourth proportional to 41,620.10, 62,424 and 15,318.72 is: 22,975.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,620.10 : 62,424 = 15,318.72 : x
  2. Step 2: Convert to fraction form
    41,620.10/62,424 = 15,318.72/x
  3. Step 3: Cross multiply
    41,620.10x = 62,424 × 15,318.72
  4. Step 4: Simplify right side
    41,620.10x = 956,255,777.28
  5. Step 5: Solve for x
    x = 956,255,777.28/41,620.10
  6. Step 6: Final answer
    x = 22,975.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.