Home / 38,919.92-58,388.40-12,627.32

Finding the Fourth Proportional to 38,919.92, 58,388.40 and 12,627.32

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Solution

The fourth proportional to 38,919.92, 58,388.40 and 12,627.32 is: 18,943.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,919.92 : 58,388.40 = 12,627.32 : x
  2. Step 2: Convert to fraction form
    38,919.92/58,388.40 = 12,627.32/x
  3. Step 3: Cross multiply
    38,919.92x = 58,388.40 × 12,627.32
  4. Step 4: Simplify right side
    38,919.92x = 737,288,719.15
  5. Step 5: Solve for x
    x = 737,288,719.15/38,919.92
  6. Step 6: Final answer
    x = 18,943.74

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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.