Home / 29,720.23-44,521.89-21,380.47

Finding the Fourth Proportional to 29,720.23, 44,521.89 and 21,380.47

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Solution

The fourth proportional to 29,720.23, 44,521.89 and 21,380.47 is: 32,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,720.23 : 44,521.89 = 21,380.47 : x
  2. Step 2: Convert to fraction form
    29,720.23/44,521.89 = 21,380.47/x
  3. Step 3: Cross multiply
    29,720.23x = 44,521.89 × 21,380.47
  4. Step 4: Simplify right side
    29,720.23x = 951,898,933.49
  5. Step 5: Solve for x
    x = 951,898,933.49/29,720.23
  6. Step 6: Final answer
    x = 32,028.65

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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.