Home / 38,074.07-57,113.98-11,781.47

Finding the Fourth Proportional to 38,074.07, 57,113.98 and 11,781.47

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Solution

The fourth proportional to 38,074.07, 57,113.98 and 11,781.47 is: 17,673.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,074.07 : 57,113.98 = 11,781.47 : x
  2. Step 2: Convert to fraction form
    38,074.07/57,113.98 = 11,781.47/x
  3. Step 3: Cross multiply
    38,074.07x = 57,113.98 × 11,781.47
  4. Step 4: Simplify right side
    38,074.07x = 672,886,326.93
  5. Step 5: Solve for x
    x = 672,886,326.93/38,074.07
  6. Step 6: Final answer
    x = 17,673.09

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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.