Home / 31,324.08-43,229.16-17,178.96

Finding the Fourth Proportional to 31,324.08, 43,229.16 and 17,178.96

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Solution

The fourth proportional to 31,324.08, 43,229.16 and 17,178.96 is: 23,708.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,324.08 : 43,229.16 = 17,178.96 : x
  2. Step 2: Convert to fraction form
    31,324.08/43,229.16 = 17,178.96/x
  3. Step 3: Cross multiply
    31,324.08x = 43,229.16 × 17,178.96
  4. Step 4: Simplify right side
    31,324.08x = 742,632,010.47
  5. Step 5: Solve for x
    x = 742,632,010.47/31,324.08
  6. Step 6: Final answer
    x = 23,708.02

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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.