Home / 66,380.24-91,603.89-36,166.82

Finding the Fourth Proportional to 66,380.24, 91,603.89 and 36,166.82

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Solution

The fourth proportional to 66,380.24, 91,603.89 and 36,166.82 is: 49,909.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,380.24 : 91,603.89 = 36,166.82 : x
  2. Step 2: Convert to fraction form
    66,380.24/91,603.89 = 36,166.82/x
  3. Step 3: Cross multiply
    66,380.24x = 91,603.89 × 36,166.82
  4. Step 4: Simplify right side
    66,380.24x = 3,313,021,400.93
  5. Step 5: Solve for x
    x = 3,313,021,400.93/66,380.24
  6. Step 6: Final answer
    x = 49,909.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.