Home / 38,502.19-57,719.54-18,501.72

Finding the Fourth Proportional to 38,502.19, 57,719.54 and 18,501.72

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Solution

The fourth proportional to 38,502.19, 57,719.54 and 18,501.72 is: 27,736.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,502.19 : 57,719.54 = 18,501.72 : x
  2. Step 2: Convert to fraction form
    38,502.19/57,719.54 = 18,501.72/x
  3. Step 3: Cross multiply
    38,502.19x = 57,719.54 × 18,501.72
  4. Step 4: Simplify right side
    38,502.19x = 1,067,910,493.34
  5. Step 5: Solve for x
    x = 1,067,910,493.34/38,502.19
  6. Step 6: Final answer
    x = 27,736.36

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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.