Home / 74,581.42-111,911.04-30,240.94

Finding the Fourth Proportional to 74,581.42, 111,911.04 and 30,240.94

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Solution

The fourth proportional to 74,581.42, 111,911.04 and 30,240.94 is: 45,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,581.42 : 111,911.04 = 30,240.94 : x
  2. Step 2: Convert to fraction form
    74,581.42/111,911.04 = 30,240.94/x
  3. Step 3: Cross multiply
    74,581.42x = 111,911.04 × 30,240.94
  4. Step 4: Simplify right side
    74,581.42x = 3,384,295,045.98
  5. Step 5: Solve for x
    x = 3,384,295,045.98/74,581.42
  6. Step 6: Final answer
    x = 45,377.19

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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.