Home / 36,615.60-50,532.68-20,702.88

Finding the Fourth Proportional to 36,615.60, 50,532.68 and 20,702.88

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Solution

The fourth proportional to 36,615.60, 50,532.68 and 20,702.88 is: 28,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,615.60 : 50,532.68 = 20,702.88 : x
  2. Step 2: Convert to fraction form
    36,615.60/50,532.68 = 20,702.88/x
  3. Step 3: Cross multiply
    36,615.60x = 50,532.68 × 20,702.88
  4. Step 4: Simplify right side
    36,615.60x = 1,046,172,010.12
  5. Step 5: Solve for x
    x = 1,046,172,010.12/36,615.60
  6. Step 6: Final answer
    x = 28,571.76

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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.