Home / 31,661.01-43,690.86-17,512.95

Finding the Fourth Proportional to 31,661.01, 43,690.86 and 17,512.95

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Solution

The fourth proportional to 31,661.01, 43,690.86 and 17,512.95 is: 24,167.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,661.01 : 43,690.86 = 17,512.95 : x
  2. Step 2: Convert to fraction form
    31,661.01/43,690.86 = 17,512.95/x
  3. Step 3: Cross multiply
    31,661.01x = 43,690.86 × 17,512.95
  4. Step 4: Simplify right side
    31,661.01x = 765,155,846.64
  5. Step 5: Solve for x
    x = 765,155,846.64/31,661.01
  6. Step 6: Final answer
    x = 24,167.13

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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.