Home / 20,366.91-30,550.41-5,575.98

Finding the Fourth Proportional to 20,366.91, 30,550.41 and 5,575.98

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Solution

The fourth proportional to 20,366.91, 30,550.41 and 5,575.98 is: 8,363.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,366.91 : 30,550.41 = 5,575.98 : x
  2. Step 2: Convert to fraction form
    20,366.91/30,550.41 = 5,575.98/x
  3. Step 3: Cross multiply
    20,366.91x = 30,550.41 × 5,575.98
  4. Step 4: Simplify right side
    20,366.91x = 170,348,475.15
  5. Step 5: Solve for x
    x = 170,348,475.15/20,366.91
  6. Step 6: Final answer
    x = 8,363.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.