Home / 31,479.35-43,441.51-17,332.19

Finding the Fourth Proportional to 31,479.35, 43,441.51 and 17,332.19

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Solution

The fourth proportional to 31,479.35, 43,441.51 and 17,332.19 is: 23,918.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,479.35 : 43,441.51 = 17,332.19 : x
  2. Step 2: Convert to fraction form
    31,479.35/43,441.51 = 17,332.19/x
  3. Step 3: Cross multiply
    31,479.35x = 43,441.51 × 17,332.19
  4. Step 4: Simplify right side
    31,479.35x = 752,936,309.94
  5. Step 5: Solve for x
    x = 752,936,309.94/31,479.35
  6. Step 6: Final answer
    x = 23,918.42

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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.