Home / 50,538.29-69,743.16-27,877.90

Finding the Fourth Proportional to 50,538.29, 69,743.16 and 27,877.90

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Solution

The fourth proportional to 50,538.29, 69,743.16 and 27,877.90 is: 38,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,538.29 : 69,743.16 = 27,877.90 : x
  2. Step 2: Convert to fraction form
    50,538.29/69,743.16 = 27,877.90/x
  3. Step 3: Cross multiply
    50,538.29x = 69,743.16 × 27,877.90
  4. Step 4: Simplify right side
    50,538.29x = 1,944,292,840.16
  5. Step 5: Solve for x
    x = 1,944,292,840.16/50,538.29
  6. Step 6: Final answer
    x = 38,471.68

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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.