Home / 31,336.88-43,244.89-17,189.76

Finding the Fourth Proportional to 31,336.88, 43,244.89 and 17,189.76

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Solution

The fourth proportional to 31,336.88, 43,244.89 and 17,189.76 is: 23,721.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.88 : 43,244.89 = 17,189.76 : x
  2. Step 2: Convert to fraction form
    31,336.88/43,244.89 = 17,189.76/x
  3. Step 3: Cross multiply
    31,336.88x = 43,244.89 × 17,189.76
  4. Step 4: Simplify right side
    31,336.88x = 743,369,064.10
  5. Step 5: Solve for x
    x = 743,369,064.10/31,336.88
  6. Step 6: Final answer
    x = 23,721.86

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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.