Home / 54,609.15-81,913.76-15,166.26

Finding the Fourth Proportional to 54,609.15, 81,913.76 and 15,166.26

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Solution

The fourth proportional to 54,609.15, 81,913.76 and 15,166.26 is: 22,749.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,609.15 : 81,913.76 = 15,166.26 : x
  2. Step 2: Convert to fraction form
    54,609.15/81,913.76 = 15,166.26/x
  3. Step 3: Cross multiply
    54,609.15x = 81,913.76 × 15,166.26
  4. Step 4: Simplify right side
    54,609.15x = 1,242,325,305.91
  5. Step 5: Solve for x
    x = 1,242,325,305.91/54,609.15
  6. Step 6: Final answer
    x = 22,749.40

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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.