Home / 40,289.85-55,600.97-22,385.61

Finding the Fourth Proportional to 40,289.85, 55,600.97 and 22,385.61

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Solution

The fourth proportional to 40,289.85, 55,600.97 and 22,385.61 is: 30,892.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,289.85 : 55,600.97 = 22,385.61 : x
  2. Step 2: Convert to fraction form
    40,289.85/55,600.97 = 22,385.61/x
  3. Step 3: Cross multiply
    40,289.85x = 55,600.97 × 22,385.61
  4. Step 4: Simplify right side
    40,289.85x = 1,244,661,518.11
  5. Step 5: Solve for x
    x = 1,244,661,518.11/40,289.85
  6. Step 6: Final answer
    x = 30,892.68

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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.