Home / 54,669.29-81,704.40-39,909.29

Finding the Fourth Proportional to 54,669.29, 81,704.40 and 39,909.29

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Solution

The fourth proportional to 54,669.29, 81,704.40 and 39,909.29 is: 59,645.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,669.29 : 81,704.40 = 39,909.29 : x
  2. Step 2: Convert to fraction form
    54,669.29/81,704.40 = 39,909.29/x
  3. Step 3: Cross multiply
    54,669.29x = 81,704.40 × 39,909.29
  4. Step 4: Simplify right side
    54,669.29x = 3,260,764,185.35
  5. Step 5: Solve for x
    x = 3,260,764,185.35/54,669.29
  6. Step 6: Final answer
    x = 59,645.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.