Home / 30,215.80-45,230.32-29,772.96

Finding the Fourth Proportional to 30,215.80, 45,230.32 and 29,772.96

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Solution

The fourth proportional to 30,215.80, 45,230.32 and 29,772.96 is: 44,567.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,215.80 : 45,230.32 = 29,772.96 : x
  2. Step 2: Convert to fraction form
    30,215.80/45,230.32 = 29,772.96/x
  3. Step 3: Cross multiply
    30,215.80x = 45,230.32 × 29,772.96
  4. Step 4: Simplify right side
    30,215.80x = 1,346,640,508.15
  5. Step 5: Solve for x
    x = 1,346,640,508.15/30,215.80
  6. Step 6: Final answer
    x = 44,567.43

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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.