Home / 43,306.88-64,962.66-12,144.56

Finding the Fourth Proportional to 43,306.88, 64,962.66 and 12,144.56

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Solution

The fourth proportional to 43,306.88, 64,962.66 and 12,144.56 is: 18,217.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,306.88 : 64,962.66 = 12,144.56 : x
  2. Step 2: Convert to fraction form
    43,306.88/64,962.66 = 12,144.56/x
  3. Step 3: Cross multiply
    43,306.88x = 64,962.66 × 12,144.56
  4. Step 4: Simplify right side
    43,306.88x = 788,942,922.13
  5. Step 5: Solve for x
    x = 788,942,922.13/43,306.88
  6. Step 6: Final answer
    x = 18,217.50

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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.