Home / 38,397.27-52,986.36-21,403.37

Finding the Fourth Proportional to 38,397.27, 52,986.36 and 21,403.37

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Solution

The fourth proportional to 38,397.27, 52,986.36 and 21,403.37 is: 29,535.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,397.27 : 52,986.36 = 21,403.37 : x
  2. Step 2: Convert to fraction form
    38,397.27/52,986.36 = 21,403.37/x
  3. Step 3: Cross multiply
    38,397.27x = 52,986.36 × 21,403.37
  4. Step 4: Simplify right side
    38,397.27x = 1,134,086,668.03
  5. Step 5: Solve for x
    x = 1,134,086,668.03/38,397.27
  6. Step 6: Final answer
    x = 29,535.61

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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.