Home / 20,199.55-30,252.34-19,498.76

Finding the Fourth Proportional to 20,199.55, 30,252.34 and 19,498.76

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Solution

The fourth proportional to 20,199.55, 30,252.34 and 19,498.76 is: 29,202.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.55 : 30,252.34 = 19,498.76 : x
  2. Step 2: Convert to fraction form
    20,199.55/30,252.34 = 19,498.76/x
  3. Step 3: Cross multiply
    20,199.55x = 30,252.34 × 19,498.76
  4. Step 4: Simplify right side
    20,199.55x = 589,883,217.10
  5. Step 5: Solve for x
    x = 589,883,217.10/20,199.55
  6. Step 6: Final answer
    x = 29,202.79

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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.