Home / 45,724.26-68,589.77-12,446.90

Finding the Fourth Proportional to 45,724.26, 68,589.77 and 12,446.90

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Solution

The fourth proportional to 45,724.26, 68,589.77 and 12,446.90 is: 18,671.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,724.26 : 68,589.77 = 12,446.90 : x
  2. Step 2: Convert to fraction form
    45,724.26/68,589.77 = 12,446.90/x
  3. Step 3: Cross multiply
    45,724.26x = 68,589.77 × 12,446.90
  4. Step 4: Simplify right side
    45,724.26x = 853,729,603.03
  5. Step 5: Solve for x
    x = 853,729,603.03/45,724.26
  6. Step 6: Final answer
    x = 18,671.26

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1.5x scale

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.