Home / 63,987.24-95,960.04-21,281.18

Finding the Fourth Proportional to 63,987.24, 95,960.04 and 21,281.18

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Solution

The fourth proportional to 63,987.24, 95,960.04 and 21,281.18 is: 31,914.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,987.24 : 95,960.04 = 21,281.18 : x
  2. Step 2: Convert to fraction form
    63,987.24/95,960.04 = 21,281.18/x
  3. Step 3: Cross multiply
    63,987.24x = 95,960.04 × 21,281.18
  4. Step 4: Simplify right side
    63,987.24x = 2,042,142,884.05
  5. Step 5: Solve for x
    x = 2,042,142,884.05/63,987.24
  6. Step 6: Final answer
    x = 31,914.85

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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.