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Finding the Fourth Proportional to 62,585.50, 86,375.22 and 35,731.84

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Solution

The fourth proportional to 62,585.50, 86,375.22 and 35,731.84 is: 49,314.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,585.50 : 86,375.22 = 35,731.84 : x
  2. Step 2: Convert to fraction form
    62,585.50/86,375.22 = 35,731.84/x
  3. Step 3: Cross multiply
    62,585.50x = 86,375.22 × 35,731.84
  4. Step 4: Simplify right side
    62,585.50x = 3,086,345,541.00
  5. Step 5: Solve for x
    x = 3,086,345,541.00/62,585.50
  6. Step 6: Final answer
    x = 49,314.07

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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.