Home / 39,198.88-54,095.43-21,293.88

Finding the Fourth Proportional to 39,198.88, 54,095.43 and 21,293.88

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Solution

The fourth proportional to 39,198.88, 54,095.43 and 21,293.88 is: 29,386.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,198.88 : 54,095.43 = 21,293.88 : x
  2. Step 2: Convert to fraction form
    39,198.88/54,095.43 = 21,293.88/x
  3. Step 3: Cross multiply
    39,198.88x = 54,095.43 × 21,293.88
  4. Step 4: Simplify right side
    39,198.88x = 1,151,901,594.97
  5. Step 5: Solve for x
    x = 1,151,901,594.97/39,198.88
  6. Step 6: Final answer
    x = 29,386.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.