Home / 31,243.68-43,116.96-17,097.12

Finding the Fourth Proportional to 31,243.68, 43,116.96 and 17,097.12

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Solution

The fourth proportional to 31,243.68, 43,116.96 and 17,097.12 is: 23,594.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,243.68 : 43,116.96 = 17,097.12 : x
  2. Step 2: Convert to fraction form
    31,243.68/43,116.96 = 17,097.12/x
  3. Step 3: Cross multiply
    31,243.68x = 43,116.96 × 17,097.12
  4. Step 4: Simplify right side
    31,243.68x = 737,175,839.16
  5. Step 5: Solve for x
    x = 737,175,839.16/31,243.68
  6. Step 6: Final answer
    x = 23,594.40

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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.