Home / 31,209.75-43,069.47-17,062.71

Finding the Fourth Proportional to 31,209.75, 43,069.47 and 17,062.71

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Solution

The fourth proportional to 31,209.75, 43,069.47 and 17,062.71 is: 23,546.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,209.75 : 43,069.47 = 17,062.71 : x
  2. Step 2: Convert to fraction form
    31,209.75/43,069.47 = 17,062.71/x
  3. Step 3: Cross multiply
    31,209.75x = 43,069.47 × 17,062.71
  4. Step 4: Simplify right side
    31,209.75x = 734,881,876.46
  5. Step 5: Solve for x
    x = 734,881,876.46/31,209.75
  6. Step 6: Final answer
    x = 23,546.55

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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.