Home / 38,356.76-57,548.94-13,400.48

Finding the Fourth Proportional to 38,356.76, 57,548.94 and 13,400.48

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Solution

The fourth proportional to 38,356.76, 57,548.94 and 13,400.48 is: 20,105.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,356.76 : 57,548.94 = 13,400.48 : x
  2. Step 2: Convert to fraction form
    38,356.76/57,548.94 = 13,400.48/x
  3. Step 3: Cross multiply
    38,356.76x = 57,548.94 × 13,400.48
  4. Step 4: Simplify right side
    38,356.76x = 771,183,419.49
  5. Step 5: Solve for x
    x = 771,183,419.49/38,356.76
  6. Step 6: Final answer
    x = 20,105.54

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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.