Home / 31,395.88-43,326.42-17,248.36

Finding the Fourth Proportional to 31,395.88, 43,326.42 and 17,248.36

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Solution

The fourth proportional to 31,395.88, 43,326.42 and 17,248.36 is: 23,802.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,395.88 : 43,326.42 = 17,248.36 : x
  2. Step 2: Convert to fraction form
    31,395.88/43,326.42 = 17,248.36/x
  3. Step 3: Cross multiply
    31,395.88x = 43,326.42 × 17,248.36
  4. Step 4: Simplify right side
    31,395.88x = 747,309,689.67
  5. Step 5: Solve for x
    x = 747,309,689.67/31,395.88
  6. Step 6: Final answer
    x = 23,802.79

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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.