Home / 54,449.69-81,677.61-19,389.35

Finding the Fourth Proportional to 54,449.69, 81,677.61 and 19,389.35

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Solution

The fourth proportional to 54,449.69, 81,677.61 and 19,389.35 is: 29,085.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,449.69 : 81,677.61 = 19,389.35 : x
  2. Step 2: Convert to fraction form
    54,449.69/81,677.61 = 19,389.35/x
  3. Step 3: Cross multiply
    54,449.69x = 81,677.61 × 19,389.35
  4. Step 4: Simplify right side
    54,449.69x = 1,583,675,767.45
  5. Step 5: Solve for x
    x = 1,583,675,767.45/54,449.69
  6. Step 6: Final answer
    x = 29,085.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.