Home / 45,550.12-68,329.26-12,269.44

Finding the Fourth Proportional to 45,550.12, 68,329.26 and 12,269.44

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Solution

The fourth proportional to 45,550.12, 68,329.26 and 12,269.44 is: 18,405.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,550.12 : 68,329.26 = 12,269.44 : x
  2. Step 2: Convert to fraction form
    45,550.12/68,329.26 = 12,269.44/x
  3. Step 3: Cross multiply
    45,550.12x = 68,329.26 × 12,269.44
  4. Step 4: Simplify right side
    45,550.12x = 838,361,755.81
  5. Step 5: Solve for x
    x = 838,361,755.81/45,550.12
  6. Step 6: Final answer
    x = 18,405.26

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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.