Home / 38,954.70-58,395.06-12,641.04

Finding the Fourth Proportional to 38,954.70, 58,395.06 and 12,641.04

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Solution

The fourth proportional to 38,954.70, 58,395.06 and 12,641.04 is: 18,949.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,954.70 : 58,395.06 = 12,641.04 : x
  2. Step 2: Convert to fraction form
    38,954.70/58,395.06 = 12,641.04/x
  3. Step 3: Cross multiply
    38,954.70x = 58,395.06 × 12,641.04
  4. Step 4: Simplify right side
    38,954.70x = 738,174,289.26
  5. Step 5: Solve for x
    x = 738,174,289.26/38,954.70
  6. Step 6: Final answer
    x = 18,949.56

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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.