Home / 67,932.91-93,758.58-39,638.53

Finding the Fourth Proportional to 67,932.91, 93,758.58 and 39,638.53

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Solution

The fourth proportional to 67,932.91, 93,758.58 and 39,638.53 is: 54,707.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,932.91 : 93,758.58 = 39,638.53 : x
  2. Step 2: Convert to fraction form
    67,932.91/93,758.58 = 39,638.53/x
  3. Step 3: Cross multiply
    67,932.91x = 93,758.58 × 39,638.53
  4. Step 4: Simplify right side
    67,932.91x = 3,716,452,286.09
  5. Step 5: Solve for x
    x = 3,716,452,286.09/67,932.91
  6. Step 6: Final answer
    x = 54,707.69

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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.