Home / 20,113.55-30,175.30-14,202.02

Finding the Fourth Proportional to 20,113.55, 30,175.30 and 14,202.02

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Solution

The fourth proportional to 20,113.55, 30,175.30 and 14,202.02 is: 21,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,113.55 : 30,175.30 = 14,202.02 : x
  2. Step 2: Convert to fraction form
    20,113.55/30,175.30 = 14,202.02/x
  3. Step 3: Cross multiply
    20,113.55x = 30,175.30 × 14,202.02
  4. Step 4: Simplify right side
    20,113.55x = 428,550,057.67
  5. Step 5: Solve for x
    x = 428,550,057.67/20,113.55
  6. Step 6: Final answer
    x = 21,306.54

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1.5x scale

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.