Home / 35,661.97-49,210.09-21,318.96

Finding the Fourth Proportional to 35,661.97, 49,210.09 and 21,318.96

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Solution

The fourth proportional to 35,661.97, 49,210.09 and 21,318.96 is: 29,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,661.97 : 49,210.09 = 21,318.96 : x
  2. Step 2: Convert to fraction form
    35,661.97/49,210.09 = 21,318.96/x
  3. Step 3: Cross multiply
    35,661.97x = 49,210.09 × 21,318.96
  4. Step 4: Simplify right side
    35,661.97x = 1,049,107,833.71
  5. Step 5: Solve for x
    x = 1,049,107,833.71/35,661.97
  6. Step 6: Final answer
    x = 29,418.12

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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.