Home / 31,565.25-43,560.09-17,418.06

Finding the Fourth Proportional to 31,565.25, 43,560.09 and 17,418.06

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Solution

The fourth proportional to 31,565.25, 43,560.09 and 17,418.06 is: 24,036.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,565.25 : 43,560.09 = 17,418.06 : x
  2. Step 2: Convert to fraction form
    31,565.25/43,560.09 = 17,418.06/x
  3. Step 3: Cross multiply
    31,565.25x = 43,560.09 × 17,418.06
  4. Step 4: Simplify right side
    31,565.25x = 758,732,261.23
  5. Step 5: Solve for x
    x = 758,732,261.23/31,565.25
  6. Step 6: Final answer
    x = 24,036.95

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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.