Home / 54,628.52-81,959.80-19,568.48

Finding the Fourth Proportional to 54,628.52, 81,959.80 and 19,568.48

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Solution

The fourth proportional to 54,628.52, 81,959.80 and 19,568.48 is: 29,358.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,628.52 : 81,959.80 = 19,568.48 : x
  2. Step 2: Convert to fraction form
    54,628.52/81,959.80 = 19,568.48/x
  3. Step 3: Cross multiply
    54,628.52x = 81,959.80 × 19,568.48
  4. Step 4: Simplify right side
    54,628.52x = 1,603,828,707.10
  5. Step 5: Solve for x
    x = 1,603,828,707.10/54,628.52
  6. Step 6: Final answer
    x = 29,358.82

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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.