Home / 33,011.55-49,429.85-19,845.81

Finding the Fourth Proportional to 33,011.55, 49,429.85 and 19,845.81

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Solution

The fourth proportional to 33,011.55, 49,429.85 and 19,845.81 is: 29,716.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,011.55 : 49,429.85 = 19,845.81 : x
  2. Step 2: Convert to fraction form
    33,011.55/49,429.85 = 19,845.81/x
  3. Step 3: Cross multiply
    33,011.55x = 49,429.85 × 19,845.81
  4. Step 4: Simplify right side
    33,011.55x = 980,975,312.20
  5. Step 5: Solve for x
    x = 980,975,312.20/33,011.55
  6. Step 6: Final answer
    x = 29,716.12

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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.