Home / 33,410.21-50,122.67-13,690.76

Finding the Fourth Proportional to 33,410.21, 50,122.67 and 13,690.76

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Solution

The fourth proportional to 33,410.21, 50,122.67 and 13,690.76 is: 20,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,410.21 : 50,122.67 = 13,690.76 : x
  2. Step 2: Convert to fraction form
    33,410.21/50,122.67 = 13,690.76/x
  3. Step 3: Cross multiply
    33,410.21x = 50,122.67 × 13,690.76
  4. Step 4: Simplify right side
    33,410.21x = 686,217,126.46
  5. Step 5: Solve for x
    x = 686,217,126.46/33,410.21
  6. Step 6: Final answer
    x = 20,539.15

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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.