Home / 69,780.38-96,294.90-39,568.58

Finding the Fourth Proportional to 69,780.38, 96,294.90 and 39,568.58

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Solution

The fourth proportional to 69,780.38, 96,294.90 and 39,568.58 is: 54,603.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,780.38 : 96,294.90 = 39,568.58 : x
  2. Step 2: Convert to fraction form
    69,780.38/96,294.90 = 39,568.58/x
  3. Step 3: Cross multiply
    69,780.38x = 96,294.90 × 39,568.58
  4. Step 4: Simplify right side
    69,780.38x = 3,810,252,454.24
  5. Step 5: Solve for x
    x = 3,810,252,454.24/69,780.38
  6. Step 6: Final answer
    x = 54,603.49

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1.5x scale

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.