Home / 38,719.54-53,431.41-22,804.66

Finding the Fourth Proportional to 38,719.54, 53,431.41 and 22,804.66

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Solution

The fourth proportional to 38,719.54, 53,431.41 and 22,804.66 is: 31,469.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,719.54 : 53,431.41 = 22,804.66 : x
  2. Step 2: Convert to fraction form
    38,719.54/53,431.41 = 22,804.66/x
  3. Step 3: Cross multiply
    38,719.54x = 53,431.41 × 22,804.66
  4. Step 4: Simplify right side
    38,719.54x = 1,218,485,138.37
  5. Step 5: Solve for x
    x = 1,218,485,138.37/38,719.54
  6. Step 6: Final answer
    x = 31,469.51

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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.