Home / 47,579.38-71,294.94-17,981.06

Finding the Fourth Proportional to 47,579.38, 71,294.94 and 17,981.06

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Solution

The fourth proportional to 47,579.38, 71,294.94 and 17,981.06 is: 26,943.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,579.38 : 71,294.94 = 17,981.06 : x
  2. Step 2: Convert to fraction form
    47,579.38/71,294.94 = 17,981.06/x
  3. Step 3: Cross multiply
    47,579.38x = 71,294.94 × 17,981.06
  4. Step 4: Simplify right side
    47,579.38x = 1,281,958,593.84
  5. Step 5: Solve for x
    x = 1,281,958,593.84/47,579.38
  6. Step 6: Final answer
    x = 26,943.58

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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.