Home / 20,550.55-30,822.28-5,755.95

Finding the Fourth Proportional to 20,550.55, 30,822.28 and 5,755.95

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Solution

The fourth proportional to 20,550.55, 30,822.28 and 5,755.95 is: 8,632.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,550.55 : 30,822.28 = 5,755.95 : x
  2. Step 2: Convert to fraction form
    20,550.55/30,822.28 = 5,755.95/x
  3. Step 3: Cross multiply
    20,550.55x = 30,822.28 × 5,755.95
  4. Step 4: Simplify right side
    20,550.55x = 177,411,502.57
  5. Step 5: Solve for x
    x = 177,411,502.57/20,550.55
  6. Step 6: Final answer
    x = 8,632.93

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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.