Home / 36,387.50-50,214.74-20,471.91

Finding the Fourth Proportional to 36,387.50, 50,214.74 and 20,471.91

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Solution

The fourth proportional to 36,387.50, 50,214.74 and 20,471.91 is: 28,251.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,387.50 : 50,214.74 = 20,471.91 : x
  2. Step 2: Convert to fraction form
    36,387.50/50,214.74 = 20,471.91/x
  3. Step 3: Cross multiply
    36,387.50x = 50,214.74 × 20,471.91
  4. Step 4: Simplify right side
    36,387.50x = 1,027,991,770.98
  5. Step 5: Solve for x
    x = 1,027,991,770.98/36,387.50
  6. Step 6: Final answer
    x = 28,251.23

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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.