Home / 36,895.11-50,915.03-20,979.57

Finding the Fourth Proportional to 36,895.11, 50,915.03 and 20,979.57

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Solution

The fourth proportional to 36,895.11, 50,915.03 and 20,979.57 is: 28,951.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,895.11 : 50,915.03 = 20,979.57 : x
  2. Step 2: Convert to fraction form
    36,895.11/50,915.03 = 20,979.57/x
  3. Step 3: Cross multiply
    36,895.11x = 50,915.03 × 20,979.57
  4. Step 4: Simplify right side
    36,895.11x = 1,068,175,331.04
  5. Step 5: Solve for x
    x = 1,068,175,331.04/36,895.11
  6. Step 6: Final answer
    x = 28,951.68

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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.