Home / 40,178.76-55,440.85-22,273.75

Finding the Fourth Proportional to 40,178.76, 55,440.85 and 22,273.75

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Solution

The fourth proportional to 40,178.76, 55,440.85 and 22,273.75 is: 30,734.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,178.76 : 55,440.85 = 22,273.75 : x
  2. Step 2: Convert to fraction form
    40,178.76/55,440.85 = 22,273.75/x
  3. Step 3: Cross multiply
    40,178.76x = 55,440.85 × 22,273.75
  4. Step 4: Simplify right side
    40,178.76x = 1,234,875,632.69
  5. Step 5: Solve for x
    x = 1,234,875,632.69/40,178.76
  6. Step 6: Final answer
    x = 30,734.54

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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.