Home / 39,521.33-54,540.83-22,528.13

Finding the Fourth Proportional to 39,521.33, 54,540.83 and 22,528.13

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Solution

The fourth proportional to 39,521.33, 54,540.83 and 22,528.13 is: 31,089.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,521.33 : 54,540.83 = 22,528.13 : x
  2. Step 2: Convert to fraction form
    39,521.33/54,540.83 = 22,528.13/x
  3. Step 3: Cross multiply
    39,521.33x = 54,540.83 × 22,528.13
  4. Step 4: Simplify right side
    39,521.33x = 1,228,703,101.22
  5. Step 5: Solve for x
    x = 1,228,703,101.22/39,521.33
  6. Step 6: Final answer
    x = 31,089.62

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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.