Home / 54,258.76-81,389.22-35,657.38

Finding the Fourth Proportional to 54,258.76, 81,389.22 and 35,657.38

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Solution

The fourth proportional to 54,258.76, 81,389.22 and 35,657.38 is: 53,486.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,258.76 : 81,389.22 = 35,657.38 : x
  2. Step 2: Convert to fraction form
    54,258.76/81,389.22 = 35,657.38/x
  3. Step 3: Cross multiply
    54,258.76x = 81,389.22 × 35,657.38
  4. Step 4: Simplify right side
    54,258.76x = 2,902,126,345.44
  5. Step 5: Solve for x
    x = 2,902,126,345.44/54,258.76
  6. Step 6: Final answer
    x = 53,486.78

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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.