Home / 31,436.56-43,382.46-17,290.36

Finding the Fourth Proportional to 31,436.56, 43,382.46 and 17,290.36

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Solution

The fourth proportional to 31,436.56, 43,382.46 and 17,290.36 is: 23,860.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,436.56 : 43,382.46 = 17,290.36 : x
  2. Step 2: Convert to fraction form
    31,436.56/43,382.46 = 17,290.36/x
  3. Step 3: Cross multiply
    31,436.56x = 43,382.46 × 17,290.36
  4. Step 4: Simplify right side
    31,436.56x = 750,098,351.09
  5. Step 5: Solve for x
    x = 750,098,351.09/31,436.56
  6. Step 6: Final answer
    x = 23,860.70

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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.