Home / 38,143.93-57,224.32-12,844.68

Finding the Fourth Proportional to 38,143.93, 57,224.32 and 12,844.68

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Solution

The fourth proportional to 38,143.93, 57,224.32 and 12,844.68 is: 19,269.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,143.93 : 57,224.32 = 12,844.68 : x
  2. Step 2: Convert to fraction form
    38,143.93/57,224.32 = 12,844.68/x
  3. Step 3: Cross multiply
    38,143.93x = 57,224.32 × 12,844.68
  4. Step 4: Simplify right side
    38,143.93x = 735,028,189.57
  5. Step 5: Solve for x
    x = 735,028,189.57/38,143.93
  6. Step 6: Final answer
    x = 19,269.86

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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.