Home / 38,015.93-57,031.49-11,719.69

Finding the Fourth Proportional to 38,015.93, 57,031.49 and 11,719.69

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Solution

The fourth proportional to 38,015.93, 57,031.49 and 11,719.69 is: 17,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,015.93 : 57,031.49 = 11,719.69 : x
  2. Step 2: Convert to fraction form
    38,015.93/57,031.49 = 11,719.69/x
  3. Step 3: Cross multiply
    38,015.93x = 57,031.49 × 11,719.69
  4. Step 4: Simplify right side
    38,015.93x = 668,391,269.76
  5. Step 5: Solve for x
    x = 668,391,269.76/38,015.93
  6. Step 6: Final answer
    x = 17,581.87

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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.