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Finding the Fourth Proportional to 62,885.80, 86,794.72 and 36,046.28

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Solution

The fourth proportional to 62,885.80, 86,794.72 and 36,046.28 is: 49,750.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,885.80 : 86,794.72 = 36,046.28 : x
  2. Step 2: Convert to fraction form
    62,885.80/86,794.72 = 36,046.28/x
  3. Step 3: Cross multiply
    62,885.80x = 86,794.72 × 36,046.28
  4. Step 4: Simplify right side
    62,885.80x = 3,128,626,779.64
  5. Step 5: Solve for x
    x = 3,128,626,779.64/62,885.80
  6. Step 6: Final answer
    x = 49,750.93

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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.