Home / 31,521.66-43,499.89-17,374.80

Finding the Fourth Proportional to 31,521.66, 43,499.89 and 17,374.80

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Solution

The fourth proportional to 31,521.66, 43,499.89 and 17,374.80 is: 23,977.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,521.66 : 43,499.89 = 17,374.80 : x
  2. Step 2: Convert to fraction form
    31,521.66/43,499.89 = 17,374.80/x
  3. Step 3: Cross multiply
    31,521.66x = 43,499.89 × 17,374.80
  4. Step 4: Simplify right side
    31,521.66x = 755,801,975.88
  5. Step 5: Solve for x
    x = 755,801,975.88/31,521.66
  6. Step 6: Final answer
    x = 23,977.23

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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.