Home / 39,302.16-54,239.40-22,540.56

Finding the Fourth Proportional to 39,302.16, 54,239.40 and 22,540.56

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Solution

The fourth proportional to 39,302.16, 54,239.40 and 22,540.56 is: 31,107.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,302.16 : 54,239.40 = 22,540.56 : x
  2. Step 2: Convert to fraction form
    39,302.16/54,239.40 = 22,540.56/x
  3. Step 3: Cross multiply
    39,302.16x = 54,239.40 × 22,540.56
  4. Step 4: Simplify right side
    39,302.16x = 1,222,586,450.06
  5. Step 5: Solve for x
    x = 1,222,586,450.06/39,302.16
  6. Step 6: Final answer
    x = 31,107.36

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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.