Home / 40,306.38-55,618.38-23,308.05

Finding the Fourth Proportional to 40,306.38, 55,618.38 and 23,308.05

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Solution

The fourth proportional to 40,306.38, 55,618.38 and 23,308.05 is: 32,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,306.38 : 55,618.38 = 23,308.05 : x
  2. Step 2: Convert to fraction form
    40,306.38/55,618.38 = 23,308.05/x
  3. Step 3: Cross multiply
    40,306.38x = 55,618.38 × 23,308.05
  4. Step 4: Simplify right side
    40,306.38x = 1,296,356,190.53
  5. Step 5: Solve for x
    x = 1,296,356,190.53/40,306.38
  6. Step 6: Final answer
    x = 32,162.56

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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.