Home / 60,086.43-90,136.94-20,652.39

Finding the Fourth Proportional to 60,086.43, 90,136.94 and 20,652.39

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Solution

The fourth proportional to 60,086.43, 90,136.94 and 20,652.39 is: 30,981.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,086.43 : 90,136.94 = 20,652.39 : x
  2. Step 2: Convert to fraction form
    60,086.43/90,136.94 = 20,652.39/x
  3. Step 3: Cross multiply
    60,086.43x = 90,136.94 × 20,652.39
  4. Step 4: Simplify right side
    60,086.43x = 1,861,543,135.02
  5. Step 5: Solve for x
    x = 1,861,543,135.02/60,086.43
  6. Step 6: Final answer
    x = 30,981.09

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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.