Home / 38,171.29-57,265.24-11,878.15

Finding the Fourth Proportional to 38,171.29, 57,265.24 and 11,878.15

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Solution

The fourth proportional to 38,171.29, 57,265.24 and 11,878.15 is: 17,819.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,171.29 : 57,265.24 = 11,878.15 : x
  2. Step 2: Convert to fraction form
    38,171.29/57,265.24 = 11,878.15/x
  3. Step 3: Cross multiply
    38,171.29x = 57,265.24 × 11,878.15
  4. Step 4: Simplify right side
    38,171.29x = 680,205,110.51
  5. Step 5: Solve for x
    x = 680,205,110.51/38,171.29
  6. Step 6: Final answer
    x = 17,819.81

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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.