Home / 45,522.94-68,306.07-20,570.62

Finding the Fourth Proportional to 45,522.94, 68,306.07 and 20,570.62

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Solution

The fourth proportional to 45,522.94, 68,306.07 and 20,570.62 is: 30,865.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,522.94 : 68,306.07 = 20,570.62 : x
  2. Step 2: Convert to fraction form
    45,522.94/68,306.07 = 20,570.62/x
  3. Step 3: Cross multiply
    45,522.94x = 68,306.07 × 20,570.62
  4. Step 4: Simplify right side
    45,522.94x = 1,405,098,209.66
  5. Step 5: Solve for x
    x = 1,405,098,209.66/45,522.94
  6. Step 6: Final answer
    x = 30,865.72

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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.