Home / 63,991.43-96,001.15-19,621.65

Finding the Fourth Proportional to 63,991.43, 96,001.15 and 19,621.65

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Solution

The fourth proportional to 63,991.43, 96,001.15 and 19,621.65 is: 29,436.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,991.43 : 96,001.15 = 19,621.65 : x
  2. Step 2: Convert to fraction form
    63,991.43/96,001.15 = 19,621.65/x
  3. Step 3: Cross multiply
    63,991.43x = 96,001.15 × 19,621.65
  4. Step 4: Simplify right side
    63,991.43x = 1,883,700,964.90
  5. Step 5: Solve for x
    x = 1,883,700,964.90/63,991.43
  6. Step 6: Final answer
    x = 29,436.77

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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.