Home / 39,554.97-54,585.93-21,651.11

Finding the Fourth Proportional to 39,554.97, 54,585.93 and 21,651.11

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Solution

The fourth proportional to 39,554.97, 54,585.93 and 21,651.11 is: 29,878.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,554.97 : 54,585.93 = 21,651.11 : x
  2. Step 2: Convert to fraction form
    39,554.97/54,585.93 = 21,651.11/x
  3. Step 3: Cross multiply
    39,554.97x = 54,585.93 × 21,651.11
  4. Step 4: Simplify right side
    39,554.97x = 1,181,845,881.92
  5. Step 5: Solve for x
    x = 1,181,845,881.92/39,554.97
  6. Step 6: Final answer
    x = 29,878.57

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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.