Home / 60,213.94-90,334.14-20,231.50

Finding the Fourth Proportional to 60,213.94, 90,334.14 and 20,231.50

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Solution

The fourth proportional to 60,213.94, 90,334.14 and 20,231.50 is: 30,351.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,213.94 : 90,334.14 = 20,231.50 : x
  2. Step 2: Convert to fraction form
    60,213.94/90,334.14 = 20,231.50/x
  3. Step 3: Cross multiply
    60,213.94x = 90,334.14 × 20,231.50
  4. Step 4: Simplify right side
    60,213.94x = 1,827,595,153.41
  5. Step 5: Solve for x
    x = 1,827,595,153.41/60,213.94
  6. Step 6: Final answer
    x = 30,351.70

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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.