Home / 54,242.23-81,371.08-16,805.25

Finding the Fourth Proportional to 54,242.23, 81,371.08 and 16,805.25

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Solution

The fourth proportional to 54,242.23, 81,371.08 and 16,805.25 is: 25,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,242.23 : 81,371.08 = 16,805.25 : x
  2. Step 2: Convert to fraction form
    54,242.23/81,371.08 = 16,805.25/x
  3. Step 3: Cross multiply
    54,242.23x = 81,371.08 × 16,805.25
  4. Step 4: Simplify right side
    54,242.23x = 1,367,461,342.17
  5. Step 5: Solve for x
    x = 1,367,461,342.17/54,242.23
  6. Step 6: Final answer
    x = 25,210.27

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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.