Home / 54,780.22-82,162.07-17,335.42

Finding the Fourth Proportional to 54,780.22, 82,162.07 and 17,335.42

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Solution

The fourth proportional to 54,780.22, 82,162.07 and 17,335.42 is: 26,000.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,780.22 : 82,162.07 = 17,335.42 : x
  2. Step 2: Convert to fraction form
    54,780.22/82,162.07 = 17,335.42/x
  3. Step 3: Cross multiply
    54,780.22x = 82,162.07 × 17,335.42
  4. Step 4: Simplify right side
    54,780.22x = 1,424,313,991.52
  5. Step 5: Solve for x
    x = 1,424,313,991.52/54,780.22
  6. Step 6: Final answer
    x = 26,000.52

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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.