Home / 33,989.28-50,926.40-20,814.14

Finding the Fourth Proportional to 33,989.28, 50,926.40 and 20,814.14

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Solution

The fourth proportional to 33,989.28, 50,926.40 and 20,814.14 is: 31,185.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,989.28 : 50,926.40 = 20,814.14 : x
  2. Step 2: Convert to fraction form
    33,989.28/50,926.40 = 20,814.14/x
  3. Step 3: Cross multiply
    33,989.28x = 50,926.40 × 20,814.14
  4. Step 4: Simplify right side
    33,989.28x = 1,059,989,219.30
  5. Step 5: Solve for x
    x = 1,059,989,219.30/33,989.28
  6. Step 6: Final answer
    x = 31,185.99

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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.