Home / 39,754.14-54,861.01-21,849.45

Finding the Fourth Proportional to 39,754.14, 54,861.01 and 21,849.45

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Solution

The fourth proportional to 39,754.14, 54,861.01 and 21,849.45 is: 30,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,754.14 : 54,861.01 = 21,849.45 : x
  2. Step 2: Convert to fraction form
    39,754.14/54,861.01 = 21,849.45/x
  3. Step 3: Cross multiply
    39,754.14x = 54,861.01 × 21,849.45
  4. Step 4: Simplify right side
    39,754.14x = 1,198,682,894.94
  5. Step 5: Solve for x
    x = 1,198,682,894.94/39,754.14
  6. Step 6: Final answer
    x = 30,152.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.