Home / 39,200.97-54,097.38-21,295.97

Finding the Fourth Proportional to 39,200.97, 54,097.38 and 21,295.97

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Solution

The fourth proportional to 39,200.97, 54,097.38 and 21,295.97 is: 29,388.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,200.97 : 54,097.38 = 21,295.97 : x
  2. Step 2: Convert to fraction form
    39,200.97/54,097.38 = 21,295.97/x
  3. Step 3: Cross multiply
    39,200.97x = 54,097.38 × 21,295.97
  4. Step 4: Simplify right side
    39,200.97x = 1,152,055,911.07
  5. Step 5: Solve for x
    x = 1,152,055,911.07/39,200.97
  6. Step 6: Final answer
    x = 29,388.45

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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.