Home / 45,249.50-67,876.08-21,544.85

Finding the Fourth Proportional to 45,249.50, 67,876.08 and 21,544.85

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Solution

The fourth proportional to 45,249.50, 67,876.08 and 21,544.85 is: 32,318.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,249.50 : 67,876.08 = 21,544.85 : x
  2. Step 2: Convert to fraction form
    45,249.50/67,876.08 = 21,544.85/x
  3. Step 3: Cross multiply
    45,249.50x = 67,876.08 × 21,544.85
  4. Step 4: Simplify right side
    45,249.50x = 1,462,380,051.09
  5. Step 5: Solve for x
    x = 1,462,380,051.09/45,249.50
  6. Step 6: Final answer
    x = 32,318.15

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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.