Home / 66,488.82-99,711.54-22,103.66

Finding the Fourth Proportional to 66,488.82, 99,711.54 and 22,103.66

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Solution

The fourth proportional to 66,488.82, 99,711.54 and 22,103.66 is: 33,148.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,488.82 : 99,711.54 = 22,103.66 : x
  2. Step 2: Convert to fraction form
    66,488.82/99,711.54 = 22,103.66/x
  3. Step 3: Cross multiply
    66,488.82x = 99,711.54 × 22,103.66
  4. Step 4: Simplify right side
    66,488.82x = 2,203,989,479.68
  5. Step 5: Solve for x
    x = 2,203,989,479.68/66,488.82
  6. Step 6: Final answer
    x = 33,148.27

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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.