Home / 52,288.62-78,389.12-36,447.18

Finding the Fourth Proportional to 52,288.62, 78,389.12 and 36,447.18

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Solution

The fourth proportional to 52,288.62, 78,389.12 and 36,447.18 is: 54,640.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,288.62 : 78,389.12 = 36,447.18 : x
  2. Step 2: Convert to fraction form
    52,288.62/78,389.12 = 36,447.18/x
  3. Step 3: Cross multiply
    52,288.62x = 78,389.12 × 36,447.18
  4. Step 4: Simplify right side
    52,288.62x = 2,857,062,366.68
  5. Step 5: Solve for x
    x = 2,857,062,366.68/52,288.62
  6. Step 6: Final answer
    x = 54,640.23

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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.