Home / 40,125.76-55,375.62-22,222.72

Finding the Fourth Proportional to 40,125.76, 55,375.62 and 22,222.72

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Solution

The fourth proportional to 40,125.76, 55,375.62 and 22,222.72 is: 30,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,125.76 : 55,375.62 = 22,222.72 : x
  2. Step 2: Convert to fraction form
    40,125.76/55,375.62 = 22,222.72/x
  3. Step 3: Cross multiply
    40,125.76x = 55,375.62 × 22,222.72
  4. Step 4: Simplify right side
    40,125.76x = 1,230,596,898.09
  5. Step 5: Solve for x
    x = 1,230,596,898.09/40,125.76
  6. Step 6: Final answer
    x = 30,668.50

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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.