Home / 36,387.45-50,214.18-20,471.92

Finding the Fourth Proportional to 36,387.45, 50,214.18 and 20,471.92

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Solution

The fourth proportional to 36,387.45, 50,214.18 and 20,471.92 is: 28,250.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,387.45 : 50,214.18 = 20,471.92 : x
  2. Step 2: Convert to fraction form
    36,387.45/50,214.18 = 20,471.92/x
  3. Step 3: Cross multiply
    36,387.45x = 50,214.18 × 20,471.92
  4. Step 4: Simplify right side
    36,387.45x = 1,027,980,675.83
  5. Step 5: Solve for x
    x = 1,027,980,675.83/36,387.45
  6. Step 6: Final answer
    x = 28,250.97

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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.