Home / 30,383.62-45,509.82-29,640.04

Finding the Fourth Proportional to 30,383.62, 45,509.82 and 29,640.04

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Solution

The fourth proportional to 30,383.62, 45,509.82 and 29,640.04 is: 44,396.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383.62 : 45,509.82 = 29,640.04 : x
  2. Step 2: Convert to fraction form
    30,383.62/45,509.82 = 29,640.04/x
  3. Step 3: Cross multiply
    30,383.62x = 45,509.82 × 29,640.04
  4. Step 4: Simplify right side
    30,383.62x = 1,348,913,073.07
  5. Step 5: Solve for x
    x = 1,348,913,073.07/30,383.62
  6. Step 6: Final answer
    x = 44,396.06

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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.