Home / 54,348.13-81,523.20-16,907.90

Finding the Fourth Proportional to 54,348.13, 81,523.20 and 16,907.90

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Solution

The fourth proportional to 54,348.13, 81,523.20 and 16,907.90 is: 25,362.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,348.13 : 81,523.20 = 16,907.90 : x
  2. Step 2: Convert to fraction form
    54,348.13/81,523.20 = 16,907.90/x
  3. Step 3: Cross multiply
    54,348.13x = 81,523.20 × 16,907.90
  4. Step 4: Simplify right side
    54,348.13x = 1,378,386,113.28
  5. Step 5: Solve for x
    x = 1,378,386,113.28/54,348.13
  6. Step 6: Final answer
    x = 25,362.16

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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.