Home / 43,983.42-65,984.49-12,816.06

Finding the Fourth Proportional to 43,983.42, 65,984.49 and 12,816.06

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Solution

The fourth proportional to 43,983.42, 65,984.49 and 12,816.06 is: 19,226.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,983.42 : 65,984.49 = 12,816.06 : x
  2. Step 2: Convert to fraction form
    43,983.42/65,984.49 = 12,816.06/x
  3. Step 3: Cross multiply
    43,983.42x = 65,984.49 × 12,816.06
  4. Step 4: Simplify right side
    43,983.42x = 845,661,182.91
  5. Step 5: Solve for x
    x = 845,661,182.91/43,983.42
  6. Step 6: Final answer
    x = 19,226.82

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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.