Home / 39,689.19-54,773.82-26,237.12

Finding the Fourth Proportional to 39,689.19, 54,773.82 and 26,237.12

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Solution

The fourth proportional to 39,689.19, 54,773.82 and 26,237.12 is: 36,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,689.19 : 54,773.82 = 26,237.12 : x
  2. Step 2: Convert to fraction form
    39,689.19/54,773.82 = 26,237.12/x
  3. Step 3: Cross multiply
    39,689.19x = 54,773.82 × 26,237.12
  4. Step 4: Simplify right side
    39,689.19x = 1,437,107,014.33
  5. Step 5: Solve for x
    x = 1,437,107,014.33/39,689.19
  6. Step 6: Final answer
    x = 36,209.03

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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.