Home / 36,517.38-50,389.65-20,600.90

Finding the Fourth Proportional to 36,517.38, 50,389.65 and 20,600.90

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Solution

The fourth proportional to 36,517.38, 50,389.65 and 20,600.90 is: 28,426.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,517.38 : 50,389.65 = 20,600.90 : x
  2. Step 2: Convert to fraction form
    36,517.38/50,389.65 = 20,600.90/x
  3. Step 3: Cross multiply
    36,517.38x = 50,389.65 × 20,600.90
  4. Step 4: Simplify right side
    36,517.38x = 1,038,072,140.69
  5. Step 5: Solve for x
    x = 1,038,072,140.69/36,517.38
  6. Step 6: Final answer
    x = 28,426.80

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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.