Home / 34,697.10-47,882.16-18,781.56

Finding the Fourth Proportional to 34,697.10, 47,882.16 and 18,781.56

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Solution

The fourth proportional to 34,697.10, 47,882.16 and 18,781.56 is: 25,918.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,697.10 : 47,882.16 = 18,781.56 : x
  2. Step 2: Convert to fraction form
    34,697.10/47,882.16 = 18,781.56/x
  3. Step 3: Cross multiply
    34,697.10x = 47,882.16 × 18,781.56
  4. Step 4: Simplify right side
    34,697.10x = 899,301,660.97
  5. Step 5: Solve for x
    x = 899,301,660.97/34,697.10
  6. Step 6: Final answer
    x = 25,918.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.