Home / 66,521.50-91,796.42-36,306.07

Finding the Fourth Proportional to 66,521.50, 91,796.42 and 36,306.07

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Solution

The fourth proportional to 66,521.50, 91,796.42 and 36,306.07 is: 50,100.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,521.50 : 91,796.42 = 36,306.07 : x
  2. Step 2: Convert to fraction form
    66,521.50/91,796.42 = 36,306.07/x
  3. Step 3: Cross multiply
    66,521.50x = 91,796.42 × 36,306.07
  4. Step 4: Simplify right side
    66,521.50x = 3,332,766,609.76
  5. Step 5: Solve for x
    x = 3,332,766,609.76/66,521.50
  6. Step 6: Final answer
    x = 50,100.60

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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.