Home / 21,450.14-32,168.29-20,050.80

Finding the Fourth Proportional to 21,450.14, 32,168.29 and 20,050.80

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Solution

The fourth proportional to 21,450.14, 32,168.29 and 20,050.80 is: 30,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,450.14 : 32,168.29 = 20,050.80 : x
  2. Step 2: Convert to fraction form
    21,450.14/32,168.29 = 20,050.80/x
  3. Step 3: Cross multiply
    21,450.14x = 32,168.29 × 20,050.80
  4. Step 4: Simplify right side
    21,450.14x = 644,999,949.13
  5. Step 5: Solve for x
    x = 644,999,949.13/21,450.14
  6. Step 6: Final answer
    x = 30,069.73

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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.