Home / 40,097.76-55,334.12-22,191.72

Finding the Fourth Proportional to 40,097.76, 55,334.12 and 22,191.72

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Solution

The fourth proportional to 40,097.76, 55,334.12 and 22,191.72 is: 30,624.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,097.76 : 55,334.12 = 22,191.72 : x
  2. Step 2: Convert to fraction form
    40,097.76/55,334.12 = 22,191.72/x
  3. Step 3: Cross multiply
    40,097.76x = 55,334.12 × 22,191.72
  4. Step 4: Simplify right side
    40,097.76x = 1,227,959,186.53
  5. Step 5: Solve for x
    x = 1,227,959,186.53/40,097.76
  6. Step 6: Final answer
    x = 30,624.13

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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.