Home / 43,816.20-65,724.30-12,226.20

Finding the Fourth Proportional to 43,816.20, 65,724.30 and 12,226.20

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Solution

The fourth proportional to 43,816.20, 65,724.30 and 12,226.20 is: 18,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,816.20 : 65,724.30 = 12,226.20 : x
  2. Step 2: Convert to fraction form
    43,816.20/65,724.30 = 12,226.20/x
  3. Step 3: Cross multiply
    43,816.20x = 65,724.30 × 12,226.20
  4. Step 4: Simplify right side
    43,816.20x = 803,558,436.66
  5. Step 5: Solve for x
    x = 803,558,436.66/43,816.20
  6. Step 6: Final answer
    x = 18,339.30

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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.