Home / 41,143.05-61,716.06-21,147.17

Finding the Fourth Proportional to 41,143.05, 61,716.06 and 21,147.17

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Solution

The fourth proportional to 41,143.05, 61,716.06 and 21,147.17 is: 31,721.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,143.05 : 61,716.06 = 21,147.17 : x
  2. Step 2: Convert to fraction form
    41,143.05/61,716.06 = 21,147.17/x
  3. Step 3: Cross multiply
    41,143.05x = 61,716.06 × 21,147.17
  4. Step 4: Simplify right side
    41,143.05x = 1,305,119,703.97
  5. Step 5: Solve for x
    x = 1,305,119,703.97/41,143.05
  6. Step 6: Final answer
    x = 31,721.51

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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.