Home / 54,815.22-75,645-29,664.72

Finding the Fourth Proportional to 54,815.22, 75,645 and 29,664.72

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Solution

The fourth proportional to 54,815.22, 75,645 and 29,664.72 is: 40,937.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,815.22 : 75,645 = 29,664.72 : x
  2. Step 2: Convert to fraction form
    54,815.22/75,645 = 29,664.72/x
  3. Step 3: Cross multiply
    54,815.22x = 75,645 × 29,664.72
  4. Step 4: Simplify right side
    54,815.22x = 2,243,987,744.40
  5. Step 5: Solve for x
    x = 2,243,987,744.40/54,815.22
  6. Step 6: Final answer
    x = 40,937.31

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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.