Home / 54,354.26-81,555.67-21,076.93

Finding the Fourth Proportional to 54,354.26, 81,555.67 and 21,076.93

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Solution

The fourth proportional to 54,354.26, 81,555.67 and 21,076.93 is: 31,624.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,354.26 : 81,555.67 = 21,076.93 : x
  2. Step 2: Convert to fraction form
    54,354.26/81,555.67 = 21,076.93/x
  3. Step 3: Cross multiply
    54,354.26x = 81,555.67 × 21,076.93
  4. Step 4: Simplify right side
    54,354.26x = 1,718,943,196.95
  5. Step 5: Solve for x
    x = 1,718,943,196.95/54,354.26
  6. Step 6: Final answer
    x = 31,624.81

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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.