Home / 38,098.82-57,150.97-13,138.51

Finding the Fourth Proportional to 38,098.82, 57,150.97 and 13,138.51

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Solution

The fourth proportional to 38,098.82, 57,150.97 and 13,138.51 is: 19,708.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,098.82 : 57,150.97 = 13,138.51 : x
  2. Step 2: Convert to fraction form
    38,098.82/57,150.97 = 13,138.51/x
  3. Step 3: Cross multiply
    38,098.82x = 57,150.97 × 13,138.51
  4. Step 4: Simplify right side
    38,098.82x = 750,878,239.41
  5. Step 5: Solve for x
    x = 750,878,239.41/38,098.82
  6. Step 6: Final answer
    x = 19,708.70

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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.