Home / 30,213.80-45,227.32-29,770.96

Finding the Fourth Proportional to 30,213.80, 45,227.32 and 29,770.96

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Solution

The fourth proportional to 30,213.80, 45,227.32 and 29,770.96 is: 44,564.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213.80 : 45,227.32 = 29,770.96 : x
  2. Step 2: Convert to fraction form
    30,213.80/45,227.32 = 29,770.96/x
  3. Step 3: Cross multiply
    30,213.80x = 45,227.32 × 29,770.96
  4. Step 4: Simplify right side
    30,213.80x = 1,346,460,734.63
  5. Step 5: Solve for x
    x = 1,346,460,734.63/30,213.80
  6. Step 6: Final answer
    x = 44,564.43

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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.