Home / 38,697.82-53,414.07-22,791.51

Finding the Fourth Proportional to 38,697.82, 53,414.07 and 22,791.51

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Solution

The fourth proportional to 38,697.82, 53,414.07 and 22,791.51 is: 31,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,697.82 : 53,414.07 = 22,791.51 : x
  2. Step 2: Convert to fraction form
    38,697.82/53,414.07 = 22,791.51/x
  3. Step 3: Cross multiply
    38,697.82x = 53,414.07 × 22,791.51
  4. Step 4: Simplify right side
    38,697.82x = 1,217,387,225.08
  5. Step 5: Solve for x
    x = 1,217,387,225.08/38,697.82
  6. Step 6: Final answer
    x = 31,458.81

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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.