Home / 36,478.62-50,340.42-20,563.20

Finding the Fourth Proportional to 36,478.62, 50,340.42 and 20,563.20

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Solution

The fourth proportional to 36,478.62, 50,340.42 and 20,563.20 is: 28,377.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,478.62 : 50,340.42 = 20,563.20 : x
  2. Step 2: Convert to fraction form
    36,478.62/50,340.42 = 20,563.20/x
  3. Step 3: Cross multiply
    36,478.62x = 50,340.42 × 20,563.20
  4. Step 4: Simplify right side
    36,478.62x = 1,035,160,124.54
  5. Step 5: Solve for x
    x = 1,035,160,124.54/36,478.62
  6. Step 6: Final answer
    x = 28,377.17

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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.