Home / 35,809.13-49,421.13-21,661.94

Finding the Fourth Proportional to 35,809.13, 49,421.13 and 21,661.94

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Solution

The fourth proportional to 35,809.13, 49,421.13 and 21,661.94 is: 29,896.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,809.13 : 49,421.13 = 21,661.94 : x
  2. Step 2: Convert to fraction form
    35,809.13/49,421.13 = 21,661.94/x
  3. Step 3: Cross multiply
    35,809.13x = 49,421.13 × 21,661.94
  4. Step 4: Simplify right side
    35,809.13x = 1,070,557,552.79
  5. Step 5: Solve for x
    x = 1,070,557,552.79/35,809.13
  6. Step 6: Final answer
    x = 29,896.22

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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.