Home / 38,947.76-58,435.24-12,297.88

Finding the Fourth Proportional to 38,947.76, 58,435.24 and 12,297.88

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Solution

The fourth proportional to 38,947.76, 58,435.24 and 12,297.88 is: 18,451.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,947.76 : 58,435.24 = 12,297.88 : x
  2. Step 2: Convert to fraction form
    38,947.76/58,435.24 = 12,297.88/x
  3. Step 3: Cross multiply
    38,947.76x = 58,435.24 × 12,297.88
  4. Step 4: Simplify right side
    38,947.76x = 718,629,569.29
  5. Step 5: Solve for x
    x = 718,629,569.29/38,947.76
  6. Step 6: Final answer
    x = 18,451.11

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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.