Home / 66,230.09-91,398.42-37,935.75

Finding the Fourth Proportional to 66,230.09, 91,398.42 and 37,935.75

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Solution

The fourth proportional to 66,230.09, 91,398.42 and 37,935.75 is: 52,351.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,230.09 : 91,398.42 = 37,935.75 : x
  2. Step 2: Convert to fraction form
    66,230.09/91,398.42 = 37,935.75/x
  3. Step 3: Cross multiply
    66,230.09x = 91,398.42 × 37,935.75
  4. Step 4: Simplify right side
    66,230.09x = 3,467,267,611.52
  5. Step 5: Solve for x
    x = 3,467,267,611.52/66,230.09
  6. Step 6: Final answer
    x = 52,351.85

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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.