Home / 38,947.65-58,435.04-12,297.75

Finding the Fourth Proportional to 38,947.65, 58,435.04 and 12,297.75

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Solution

The fourth proportional to 38,947.65, 58,435.04 and 12,297.75 is: 18,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,947.65 : 58,435.04 = 12,297.75 : x
  2. Step 2: Convert to fraction form
    38,947.65/58,435.04 = 12,297.75/x
  3. Step 3: Cross multiply
    38,947.65x = 58,435.04 × 12,297.75
  4. Step 4: Simplify right side
    38,947.65x = 718,619,513.16
  5. Step 5: Solve for x
    x = 718,619,513.16/38,947.65
  6. Step 6: Final answer
    x = 18,450.91

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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.