Home / 38,073.69-57,113.42-11,781.09

Finding the Fourth Proportional to 38,073.69, 57,113.42 and 11,781.09

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Solution

The fourth proportional to 38,073.69, 57,113.42 and 11,781.09 is: 17,672.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,073.69 : 57,113.42 = 11,781.09 : x
  2. Step 2: Convert to fraction form
    38,073.69/57,113.42 = 11,781.09/x
  3. Step 3: Cross multiply
    38,073.69x = 57,113.42 × 11,781.09
  4. Step 4: Simplify right side
    38,073.69x = 672,858,341.23
  5. Step 5: Solve for x
    x = 672,858,341.23/38,073.69
  6. Step 6: Final answer
    x = 17,672.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.