Home / 36,619.28-50,532.63-20,702.78

Finding the Fourth Proportional to 36,619.28, 50,532.63 and 20,702.78

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Solution

The fourth proportional to 36,619.28, 50,532.63 and 20,702.78 is: 28,568.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,619.28 : 50,532.63 = 20,702.78 : x
  2. Step 2: Convert to fraction form
    36,619.28/50,532.63 = 20,702.78/x
  3. Step 3: Cross multiply
    36,619.28x = 50,532.63 × 20,702.78
  4. Step 4: Simplify right side
    36,619.28x = 1,046,165,921.71
  5. Step 5: Solve for x
    x = 1,046,165,921.71/36,619.28
  6. Step 6: Final answer
    x = 28,568.72

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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.