Home / 54,021.57-81,032.36-14,578.68

Finding the Fourth Proportional to 54,021.57, 81,032.36 and 14,578.68

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Solution

The fourth proportional to 54,021.57, 81,032.36 and 14,578.68 is: 21,868.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,021.57 : 81,032.36 = 14,578.68 : x
  2. Step 2: Convert to fraction form
    54,021.57/81,032.36 = 14,578.68/x
  3. Step 3: Cross multiply
    54,021.57x = 81,032.36 × 14,578.68
  4. Step 4: Simplify right side
    54,021.57x = 1,181,344,773.19
  5. Step 5: Solve for x
    x = 1,181,344,773.19/54,021.57
  6. Step 6: Final answer
    x = 21,868.02

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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.