Home / 38,629.06-57,981.03-18,652.63

Finding the Fourth Proportional to 38,629.06, 57,981.03 and 18,652.63

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Solution

The fourth proportional to 38,629.06, 57,981.03 and 18,652.63 is: 27,997.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,629.06 : 57,981.03 = 18,652.63 : x
  2. Step 2: Convert to fraction form
    38,629.06/57,981.03 = 18,652.63/x
  3. Step 3: Cross multiply
    38,629.06x = 57,981.03 × 18,652.63
  4. Step 4: Simplify right side
    38,629.06x = 1,081,498,409.70
  5. Step 5: Solve for x
    x = 1,081,498,409.70/38,629.06
  6. Step 6: Final answer
    x = 27,997.02

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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.