Home / 43,816.30-65,724.45-12,226.30

Finding the Fourth Proportional to 43,816.30, 65,724.45 and 12,226.30

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Solution

The fourth proportional to 43,816.30, 65,724.45 and 12,226.30 is: 18,339.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,816.30 : 65,724.45 = 12,226.30 : x
  2. Step 2: Convert to fraction form
    43,816.30/65,724.45 = 12,226.30/x
  3. Step 3: Cross multiply
    43,816.30x = 65,724.45 × 12,226.30
  4. Step 4: Simplify right side
    43,816.30x = 803,566,843.04
  5. Step 5: Solve for x
    x = 803,566,843.04/43,816.30
  6. Step 6: Final answer
    x = 18,339.45

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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.