Home / 40,086.58-55,318.66-22,180.52

Finding the Fourth Proportional to 40,086.58, 55,318.66 and 22,180.52

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Solution

The fourth proportional to 40,086.58, 55,318.66 and 22,180.52 is: 30,608.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,086.58 : 55,318.66 = 22,180.52 : x
  2. Step 2: Convert to fraction form
    40,086.58/55,318.66 = 22,180.52/x
  3. Step 3: Cross multiply
    40,086.58x = 55,318.66 × 22,180.52
  4. Step 4: Simplify right side
    40,086.58x = 1,226,996,644.50
  5. Step 5: Solve for x
    x = 1,226,996,644.50/40,086.58
  6. Step 6: Final answer
    x = 30,608.66

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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.