Home / 39,498.65-54,508.11-21,593.64

Finding the Fourth Proportional to 39,498.65, 54,508.11 and 21,593.64

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Solution

The fourth proportional to 39,498.65, 54,508.11 and 21,593.64 is: 29,799.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,498.65 : 54,508.11 = 21,593.64 : x
  2. Step 2: Convert to fraction form
    39,498.65/54,508.11 = 21,593.64/x
  3. Step 3: Cross multiply
    39,498.65x = 54,508.11 × 21,593.64
  4. Step 4: Simplify right side
    39,498.65x = 1,177,028,504.42
  5. Step 5: Solve for x
    x = 1,177,028,504.42/39,498.65
  6. Step 6: Final answer
    x = 29,799.21

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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.