Home / 30,937.69-42,694.19-17,508.97

Finding the Fourth Proportional to 30,937.69, 42,694.19 and 17,508.97

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Solution

The fourth proportional to 30,937.69, 42,694.19 and 17,508.97 is: 24,162.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,937.69 : 42,694.19 = 17,508.97 : x
  2. Step 2: Convert to fraction form
    30,937.69/42,694.19 = 17,508.97/x
  3. Step 3: Cross multiply
    30,937.69x = 42,694.19 × 17,508.97
  4. Step 4: Simplify right side
    30,937.69x = 747,531,204.34
  5. Step 5: Solve for x
    x = 747,531,204.34/30,937.69
  6. Step 6: Final answer
    x = 24,162.48

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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.