Home / 63,438.80-95,305.08-39,819.92

Finding the Fourth Proportional to 63,438.80, 95,305.08 and 39,819.92

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Solution

The fourth proportional to 63,438.80, 95,305.08 and 39,819.92 is: 59,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,438.80 : 95,305.08 = 39,819.92 : x
  2. Step 2: Convert to fraction form
    63,438.80/95,305.08 = 39,819.92/x
  3. Step 3: Cross multiply
    63,438.80x = 95,305.08 × 39,819.92
  4. Step 4: Simplify right side
    63,438.80x = 3,795,040,661.19
  5. Step 5: Solve for x
    x = 3,795,040,661.19/63,438.80
  6. Step 6: Final answer
    x = 59,822.08

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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.