Home / 63,034.20-86,991.32-36,185.40

Finding the Fourth Proportional to 63,034.20, 86,991.32 and 36,185.40

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Solution

The fourth proportional to 63,034.20, 86,991.32 and 36,185.40 is: 49,938.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,034.20 : 86,991.32 = 36,185.40 : x
  2. Step 2: Convert to fraction form
    63,034.20/86,991.32 = 36,185.40/x
  3. Step 3: Cross multiply
    63,034.20x = 86,991.32 × 36,185.40
  4. Step 4: Simplify right side
    63,034.20x = 3,147,815,710.73
  5. Step 5: Solve for x
    x = 3,147,815,710.73/63,034.20
  6. Step 6: Final answer
    x = 49,938.22

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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.