Home / 39,759.36-54,868.35-21,610.08

Finding the Fourth Proportional to 39,759.36, 54,868.35 and 21,610.08

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Solution

The fourth proportional to 39,759.36, 54,868.35 and 21,610.08 is: 29,822.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,759.36 : 54,868.35 = 21,610.08 : x
  2. Step 2: Convert to fraction form
    39,759.36/54,868.35 = 21,610.08/x
  3. Step 3: Cross multiply
    39,759.36x = 54,868.35 × 21,610.08
  4. Step 4: Simplify right side
    39,759.36x = 1,185,709,432.97
  5. Step 5: Solve for x
    x = 1,185,709,432.97/39,759.36
  6. Step 6: Final answer
    x = 29,822.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.