Home / 31,367.25-43,286.81-17,221.01

Finding the Fourth Proportional to 31,367.25, 43,286.81 and 17,221.01

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Solution

The fourth proportional to 31,367.25, 43,286.81 and 17,221.01 is: 23,764.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,367.25 : 43,286.81 = 17,221.01 : x
  2. Step 2: Convert to fraction form
    31,367.25/43,286.81 = 17,221.01/x
  3. Step 3: Cross multiply
    31,367.25x = 43,286.81 × 17,221.01
  4. Step 4: Simplify right side
    31,367.25x = 745,442,285.34
  5. Step 5: Solve for x
    x = 745,442,285.34/31,367.25
  6. Step 6: Final answer
    x = 23,764.99

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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.