Home / 39,498.73-54,509.58-21,593.38

Finding the Fourth Proportional to 39,498.73, 54,509.58 and 21,593.38

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Solution

The fourth proportional to 39,498.73, 54,509.58 and 21,593.38 is: 29,799.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,498.73 : 54,509.58 = 21,593.38 : x
  2. Step 2: Convert to fraction form
    39,498.73/54,509.58 = 21,593.38/x
  3. Step 3: Cross multiply
    39,498.73x = 54,509.58 × 21,593.38
  4. Step 4: Simplify right side
    39,498.73x = 1,177,046,074.58
  5. Step 5: Solve for x
    x = 1,177,046,074.58/39,498.73
  6. Step 6: Final answer
    x = 29,799.59

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Double scale
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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.