Home / 54,148.23-81,145.34-25,654.81

Finding the Fourth Proportional to 54,148.23, 81,145.34 and 25,654.81

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Solution

The fourth proportional to 54,148.23, 81,145.34 and 25,654.81 is: 38,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,148.23 : 81,145.34 = 25,654.81 : x
  2. Step 2: Convert to fraction form
    54,148.23/81,145.34 = 25,654.81/x
  3. Step 3: Cross multiply
    54,148.23x = 81,145.34 × 25,654.81
  4. Step 4: Simplify right side
    54,148.23x = 2,081,768,683.94
  5. Step 5: Solve for x
    x = 2,081,768,683.94/54,148.23
  6. Step 6: Final answer
    x = 38,445.74

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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.