Home / 40,381.94-60,517.48-20,619.06

Finding the Fourth Proportional to 40,381.94, 60,517.48 and 20,619.06

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Solution

The fourth proportional to 40,381.94, 60,517.48 and 20,619.06 is: 30,900.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,381.94 : 60,517.48 = 20,619.06 : x
  2. Step 2: Convert to fraction form
    40,381.94/60,517.48 = 20,619.06/x
  3. Step 3: Cross multiply
    40,381.94x = 60,517.48 × 20,619.06
  4. Step 4: Simplify right side
    40,381.94x = 1,247,813,311.34
  5. Step 5: Solve for x
    x = 1,247,813,311.34/40,381.94
  6. Step 6: Final answer
    x = 30,900.28

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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.