Home / 69,915.62-96,480.60-38,084.78

Finding the Fourth Proportional to 69,915.62, 96,480.60 and 38,084.78

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Solution

The fourth proportional to 69,915.62, 96,480.60 and 38,084.78 is: 52,555.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,915.62 : 96,480.60 = 38,084.78 : x
  2. Step 2: Convert to fraction form
    69,915.62/96,480.60 = 38,084.78/x
  3. Step 3: Cross multiply
    69,915.62x = 96,480.60 × 38,084.78
  4. Step 4: Simplify right side
    69,915.62x = 3,674,442,425.27
  5. Step 5: Solve for x
    x = 3,674,442,425.27/69,915.62
  6. Step 6: Final answer
    x = 52,555.39

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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.