Home / 36,615.85-50,532.05-20,701.78

Finding the Fourth Proportional to 36,615.85, 50,532.05 and 20,701.78

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Solution

The fourth proportional to 36,615.85, 50,532.05 and 20,701.78 is: 28,569.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,615.85 : 50,532.05 = 20,701.78 : x
  2. Step 2: Convert to fraction form
    36,615.85/50,532.05 = 20,701.78/x
  3. Step 3: Cross multiply
    36,615.85x = 50,532.05 × 20,701.78
  4. Step 4: Simplify right side
    36,615.85x = 1,046,103,382.05
  5. Step 5: Solve for x
    x = 1,046,103,382.05/36,615.85
  6. Step 6: Final answer
    x = 28,569.69

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Similar ratio
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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.