Home / 42,217.82-63,329.73-12,633.26

Finding the Fourth Proportional to 42,217.82, 63,329.73 and 12,633.26

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Solution

The fourth proportional to 42,217.82, 63,329.73 and 12,633.26 is: 18,950.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,217.82 : 63,329.73 = 12,633.26 : x
  2. Step 2: Convert to fraction form
    42,217.82/63,329.73 = 12,633.26/x
  3. Step 3: Cross multiply
    42,217.82x = 63,329.73 × 12,633.26
  4. Step 4: Simplify right side
    42,217.82x = 800,060,944.82
  5. Step 5: Solve for x
    x = 800,060,944.82/42,217.82
  6. Step 6: Final answer
    x = 18,950.79

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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.