Home / 54,215.52-81,306.68-19,146.96

Finding the Fourth Proportional to 54,215.52, 81,306.68 and 19,146.96

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Solution

The fourth proportional to 54,215.52, 81,306.68 and 19,146.96 is: 28,714.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,215.52 : 81,306.68 = 19,146.96 : x
  2. Step 2: Convert to fraction form
    54,215.52/81,306.68 = 19,146.96/x
  3. Step 3: Cross multiply
    54,215.52x = 81,306.68 × 19,146.96
  4. Step 4: Simplify right side
    54,215.52x = 1,556,775,749.69
  5. Step 5: Solve for x
    x = 1,556,775,749.69/54,215.52
  6. Step 6: Final answer
    x = 28,714.58

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1.5x scale

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.