Home / 47,581.20-71,351.16-25,389.72

Finding the Fourth Proportional to 47,581.20, 71,351.16 and 25,389.72

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Solution

The fourth proportional to 47,581.20, 71,351.16 and 25,389.72 is: 38,073.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,581.20 : 71,351.16 = 25,389.72 : x
  2. Step 2: Convert to fraction form
    47,581.20/71,351.16 = 25,389.72/x
  3. Step 3: Cross multiply
    47,581.20x = 71,351.16 × 25,389.72
  4. Step 4: Simplify right side
    47,581.20x = 1,811,585,974.08
  5. Step 5: Solve for x
    x = 1,811,585,974.08/47,581.20
  6. Step 6: Final answer
    x = 38,073.57

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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.