Home / 62,979.44-86,915.28-36,121.76

Finding the Fourth Proportional to 62,979.44, 86,915.28 and 36,121.76

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Solution

The fourth proportional to 62,979.44, 86,915.28 and 36,121.76 is: 49,850.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,979.44 : 86,915.28 = 36,121.76 : x
  2. Step 2: Convert to fraction form
    62,979.44/86,915.28 = 36,121.76/x
  3. Step 3: Cross multiply
    62,979.44x = 86,915.28 × 36,121.76
  4. Step 4: Simplify right side
    62,979.44x = 3,139,532,884.49
  5. Step 5: Solve for x
    x = 3,139,532,884.49/62,979.44
  6. Step 6: Final answer
    x = 49,850.12

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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.