Home / 60,669.20-91,016.76-21,227.60

Finding the Fourth Proportional to 60,669.20, 91,016.76 and 21,227.60

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Solution

The fourth proportional to 60,669.20, 91,016.76 and 21,227.60 is: 31,845.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,669.20 : 91,016.76 = 21,227.60 : x
  2. Step 2: Convert to fraction form
    60,669.20/91,016.76 = 21,227.60/x
  3. Step 3: Cross multiply
    60,669.20x = 91,016.76 × 21,227.60
  4. Step 4: Simplify right side
    60,669.20x = 1,932,067,681.72
  5. Step 5: Solve for x
    x = 1,932,067,681.72/60,669.20
  6. Step 6: Final answer
    x = 31,845.94

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1.5x scale

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.