Home / 38,873.78-58,319.16-12,581.18

Finding the Fourth Proportional to 38,873.78, 58,319.16 and 12,581.18

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Solution

The fourth proportional to 38,873.78, 58,319.16 and 12,581.18 is: 18,874.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,873.78 : 58,319.16 = 12,581.18 : x
  2. Step 2: Convert to fraction form
    38,873.78/58,319.16 = 12,581.18/x
  3. Step 3: Cross multiply
    38,873.78x = 58,319.16 × 12,581.18
  4. Step 4: Simplify right side
    38,873.78x = 733,723,849.41
  5. Step 5: Solve for x
    x = 733,723,849.41/38,873.78
  6. Step 6: Final answer
    x = 18,874.52

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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.