Home / 38,105.40-57,117.60-18,371.10

Finding the Fourth Proportional to 38,105.40, 57,117.60 and 18,371.10

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Solution

The fourth proportional to 38,105.40, 57,117.60 and 18,371.10 is: 27,537.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,105.40 : 57,117.60 = 18,371.10 : x
  2. Step 2: Convert to fraction form
    38,105.40/57,117.60 = 18,371.10/x
  3. Step 3: Cross multiply
    38,105.40x = 57,117.60 × 18,371.10
  4. Step 4: Simplify right side
    38,105.40x = 1,049,313,141.36
  5. Step 5: Solve for x
    x = 1,049,313,141.36/38,105.40
  6. Step 6: Final answer
    x = 27,537.12

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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.