Home / 30,202.20-45,251.82-19,656.18

Finding the Fourth Proportional to 30,202.20, 45,251.82 and 19,656.18

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Solution

The fourth proportional to 30,202.20, 45,251.82 and 19,656.18 is: 29,450.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,202.20 : 45,251.82 = 19,656.18 : x
  2. Step 2: Convert to fraction form
    30,202.20/45,251.82 = 19,656.18/x
  3. Step 3: Cross multiply
    30,202.20x = 45,251.82 × 19,656.18
  4. Step 4: Simplify right side
    30,202.20x = 889,477,919.25
  5. Step 5: Solve for x
    x = 889,477,919.25/30,202.20
  6. Step 6: Final answer
    x = 29,450.77

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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.