Home / 69,977.38-96,565.15-39,758.51

Finding the Fourth Proportional to 69,977.38, 96,565.15 and 39,758.51

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Solution

The fourth proportional to 69,977.38, 96,565.15 and 39,758.51 is: 54,864.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,977.38 : 96,565.15 = 39,758.51 : x
  2. Step 2: Convert to fraction form
    69,977.38/96,565.15 = 39,758.51/x
  3. Step 3: Cross multiply
    69,977.38x = 96,565.15 × 39,758.51
  4. Step 4: Simplify right side
    69,977.38x = 3,839,286,481.93
  5. Step 5: Solve for x
    x = 3,839,286,481.93/69,977.38
  6. Step 6: Final answer
    x = 54,864.68

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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.