Home / 29,356.14-43,983.88-19,720.96

Finding the Fourth Proportional to 29,356.14, 43,983.88 and 19,720.96

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Solution

The fourth proportional to 29,356.14, 43,983.88 and 19,720.96 is: 29,547.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,356.14 : 43,983.88 = 19,720.96 : x
  2. Step 2: Convert to fraction form
    29,356.14/43,983.88 = 19,720.96/x
  3. Step 3: Cross multiply
    29,356.14x = 43,983.88 × 19,720.96
  4. Step 4: Simplify right side
    29,356.14x = 867,404,178.86
  5. Step 5: Solve for x
    x = 867,404,178.86/29,356.14
  6. Step 6: Final answer
    x = 29,547.62

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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.