Home / 30,943.38-42,703.97-17,514.58

Finding the Fourth Proportional to 30,943.38, 42,703.97 and 17,514.58

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Solution

The fourth proportional to 30,943.38, 42,703.97 and 17,514.58 is: 24,171.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,943.38 : 42,703.97 = 17,514.58 : x
  2. Step 2: Convert to fraction form
    30,943.38/42,703.97 = 17,514.58/x
  3. Step 3: Cross multiply
    30,943.38x = 42,703.97 × 17,514.58
  4. Step 4: Simplify right side
    30,943.38x = 747,942,098.88
  5. Step 5: Solve for x
    x = 747,942,098.88/30,943.38
  6. Step 6: Final answer
    x = 24,171.31

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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.