Home / 31,701.44-43,747.90-18,272.58

Finding the Fourth Proportional to 31,701.44, 43,747.90 and 18,272.58

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Solution

The fourth proportional to 31,701.44, 43,747.90 and 18,272.58 is: 25,216.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,701.44 : 43,747.90 = 18,272.58 : x
  2. Step 2: Convert to fraction form
    31,701.44/43,747.90 = 18,272.58/x
  3. Step 3: Cross multiply
    31,701.44x = 43,747.90 × 18,272.58
  4. Step 4: Simplify right side
    31,701.44x = 799,387,002.58
  5. Step 5: Solve for x
    x = 799,387,002.58/31,701.44
  6. Step 6: Final answer
    x = 25,216.11

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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.