Home / 38,148.06-57,224.60-13,190.52

Finding the Fourth Proportional to 38,148.06, 57,224.60 and 13,190.52

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Solution

The fourth proportional to 38,148.06, 57,224.60 and 13,190.52 is: 19,786.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,148.06 : 57,224.60 = 13,190.52 : x
  2. Step 2: Convert to fraction form
    38,148.06/57,224.60 = 13,190.52/x
  3. Step 3: Cross multiply
    38,148.06x = 57,224.60 × 13,190.52
  4. Step 4: Simplify right side
    38,148.06x = 754,822,230.79
  5. Step 5: Solve for x
    x = 754,822,230.79/38,148.06
  6. Step 6: Final answer
    x = 19,786.65

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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.