Home / 38,986.42-53,801.23-21,081.27

Finding the Fourth Proportional to 38,986.42, 53,801.23 and 21,081.27

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Solution

The fourth proportional to 38,986.42, 53,801.23 and 21,081.27 is: 29,092.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,986.42 : 53,801.23 = 21,081.27 : x
  2. Step 2: Convert to fraction form
    38,986.42/53,801.23 = 21,081.27/x
  3. Step 3: Cross multiply
    38,986.42x = 53,801.23 × 21,081.27
  4. Step 4: Simplify right side
    38,986.42x = 1,134,198,150.56
  5. Step 5: Solve for x
    x = 1,134,198,150.56/38,986.42
  6. Step 6: Final answer
    x = 29,092.13

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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.