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Finding the Fourth Proportional to 60,992.99, 91,494.11 and 18,877.33

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Solution

The fourth proportional to 60,992.99, 91,494.11 and 18,877.33 is: 28,317.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,992.99 : 91,494.11 = 18,877.33 : x
  2. Step 2: Convert to fraction form
    60,992.99/91,494.11 = 18,877.33/x
  3. Step 3: Cross multiply
    60,992.99x = 91,494.11 × 18,877.33
  4. Step 4: Simplify right side
    60,992.99x = 1,727,164,624.93
  5. Step 5: Solve for x
    x = 1,727,164,624.93/60,992.99
  6. Step 6: Final answer
    x = 28,317.43

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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.