Home / 54,014.43-74,539.91-29,815.40

Finding the Fourth Proportional to 54,014.43, 74,539.91 and 29,815.40

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Solution

The fourth proportional to 54,014.43, 74,539.91 and 29,815.40 is: 41,145.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,014.43 : 74,539.91 = 29,815.40 : x
  2. Step 2: Convert to fraction form
    54,014.43/74,539.91 = 29,815.40/x
  3. Step 3: Cross multiply
    54,014.43x = 74,539.91 × 29,815.40
  4. Step 4: Simplify right side
    54,014.43x = 2,222,436,859.91
  5. Step 5: Solve for x
    x = 2,222,436,859.91/54,014.43
  6. Step 6: Final answer
    x = 41,145.25

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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.