Home / 63,664.08-95,507.88-20,971.92

Finding the Fourth Proportional to 63,664.08, 95,507.88 and 20,971.92

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Solution

The fourth proportional to 63,664.08, 95,507.88 and 20,971.92 is: 31,461.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,664.08 : 95,507.88 = 20,971.92 : x
  2. Step 2: Convert to fraction form
    63,664.08/95,507.88 = 20,971.92/x
  3. Step 3: Cross multiply
    63,664.08x = 95,507.88 × 20,971.92
  4. Step 4: Simplify right side
    63,664.08x = 2,002,983,618.73
  5. Step 5: Solve for x
    x = 2,002,983,618.73/63,664.08
  6. Step 6: Final answer
    x = 31,461.75

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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.