Home / 31,207.24-43,061.02-17,778.75

Finding the Fourth Proportional to 31,207.24, 43,061.02 and 17,778.75

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Solution

The fourth proportional to 31,207.24, 43,061.02 and 17,778.75 is: 24,531.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,207.24 : 43,061.02 = 17,778.75 : x
  2. Step 2: Convert to fraction form
    31,207.24/43,061.02 = 17,778.75/x
  3. Step 3: Cross multiply
    31,207.24x = 43,061.02 × 17,778.75
  4. Step 4: Simplify right side
    31,207.24x = 765,571,109.33
  5. Step 5: Solve for x
    x = 765,571,109.33/31,207.24
  6. Step 6: Final answer
    x = 24,531.84

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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.