Home / 31,209.45-43,068.78-17,062.26

Finding the Fourth Proportional to 31,209.45, 43,068.78 and 17,062.26

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Solution

The fourth proportional to 31,209.45, 43,068.78 and 17,062.26 is: 23,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,209.45 : 43,068.78 = 17,062.26 : x
  2. Step 2: Convert to fraction form
    31,209.45/43,068.78 = 17,062.26/x
  3. Step 3: Cross multiply
    31,209.45x = 43,068.78 × 17,062.26
  4. Step 4: Simplify right side
    31,209.45x = 734,850,722.24
  5. Step 5: Solve for x
    x = 734,850,722.24/31,209.45
  6. Step 6: Final answer
    x = 23,545.78

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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.