Home / 31,521.96-43,499.48-17,374.86

Finding the Fourth Proportional to 31,521.96, 43,499.48 and 17,374.86

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Solution

The fourth proportional to 31,521.96, 43,499.48 and 17,374.86 is: 23,976.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.96 : 43,499.48 = 17,374.86 : x
  2. Step 2: Convert to fraction form
    31,521.96/43,499.48 = 17,374.86/x
  3. Step 3: Cross multiply
    31,521.96x = 43,499.48 × 17,374.86
  4. Step 4: Simplify right side
    31,521.96x = 755,797,288.20
  5. Step 5: Solve for x
    x = 755,797,288.20/31,521.96
  6. Step 6: Final answer
    x = 23,976.85

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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.