Home / 32,321.88-44,616.90-20,382.84

Finding the Fourth Proportional to 32,321.88, 44,616.90 and 20,382.84

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Solution

The fourth proportional to 32,321.88, 44,616.90 and 20,382.84 is: 28,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,321.88 : 44,616.90 = 20,382.84 : x
  2. Step 2: Convert to fraction form
    32,321.88/44,616.90 = 20,382.84/x
  3. Step 3: Cross multiply
    32,321.88x = 44,616.90 × 20,382.84
  4. Step 4: Simplify right side
    32,321.88x = 909,419,134.00
  5. Step 5: Solve for x
    x = 909,419,134.00/32,321.88
  6. Step 6: Final answer
    x = 28,136.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.