Home / 60,634.10-90,992.77-21,191.25

Finding the Fourth Proportional to 60,634.10, 90,992.77 and 21,191.25

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Solution

The fourth proportional to 60,634.10, 90,992.77 and 21,191.25 is: 31,801.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,634.10 : 90,992.77 = 21,191.25 : x
  2. Step 2: Convert to fraction form
    60,634.10/90,992.77 = 21,191.25/x
  3. Step 3: Cross multiply
    60,634.10x = 90,992.77 × 21,191.25
  4. Step 4: Simplify right side
    60,634.10x = 1,928,250,825.51
  5. Step 5: Solve for x
    x = 1,928,250,825.51/60,634.10
  6. Step 6: Final answer
    x = 31,801.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.