Home / 35,781.84-49,376.66-19,866.29

Finding the Fourth Proportional to 35,781.84, 49,376.66 and 19,866.29

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Solution

The fourth proportional to 35,781.84, 49,376.66 and 19,866.29 is: 27,414.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,781.84 : 49,376.66 = 19,866.29 : x
  2. Step 2: Convert to fraction form
    35,781.84/49,376.66 = 19,866.29/x
  3. Step 3: Cross multiply
    35,781.84x = 49,376.66 × 19,866.29
  4. Step 4: Simplify right side
    35,781.84x = 980,930,700.58
  5. Step 5: Solve for x
    x = 980,930,700.58/35,781.84
  6. Step 6: Final answer
    x = 27,414.21

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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.