Home / 54,542.52-81,805.59-19,009.26

Finding the Fourth Proportional to 54,542.52, 81,805.59 and 19,009.26

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Solution

The fourth proportional to 54,542.52, 81,805.59 and 19,009.26 is: 28,511.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,542.52 : 81,805.59 = 19,009.26 : x
  2. Step 2: Convert to fraction form
    54,542.52/81,805.59 = 19,009.26/x
  3. Step 3: Cross multiply
    54,542.52x = 81,805.59 × 19,009.26
  4. Step 4: Simplify right side
    54,542.52x = 1,555,063,729.76
  5. Step 5: Solve for x
    x = 1,555,063,729.76/54,542.52
  6. Step 6: Final answer
    x = 28,511.04

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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.