Home / 31,788.54-43,867.35-17,641.02

Finding the Fourth Proportional to 31,788.54, 43,867.35 and 17,641.02

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Solution

The fourth proportional to 31,788.54, 43,867.35 and 17,641.02 is: 24,344.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,788.54 : 43,867.35 = 17,641.02 : x
  2. Step 2: Convert to fraction form
    31,788.54/43,867.35 = 17,641.02/x
  3. Step 3: Cross multiply
    31,788.54x = 43,867.35 × 17,641.02
  4. Step 4: Simplify right side
    31,788.54x = 773,864,798.70
  5. Step 5: Solve for x
    x = 773,864,798.70/31,788.54
  6. Step 6: Final answer
    x = 24,344.14

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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.