Home / 40,176.76-55,440.20-22,270.24

Finding the Fourth Proportional to 40,176.76, 55,440.20 and 22,270.24

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Solution

The fourth proportional to 40,176.76, 55,440.20 and 22,270.24 is: 30,730.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,176.76 : 55,440.20 = 22,270.24 : x
  2. Step 2: Convert to fraction form
    40,176.76/55,440.20 = 22,270.24/x
  3. Step 3: Cross multiply
    40,176.76x = 55,440.20 × 22,270.24
  4. Step 4: Simplify right side
    40,176.76x = 1,234,666,559.35
  5. Step 5: Solve for x
    x = 1,234,666,559.35/40,176.76
  6. Step 6: Final answer
    x = 30,730.86

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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.