Home / 34,697.28-47,881.98-18,781.92

Finding the Fourth Proportional to 34,697.28, 47,881.98 and 18,781.92

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Solution

The fourth proportional to 34,697.28, 47,881.98 and 18,781.92 is: 25,918.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,697.28 : 47,881.98 = 18,781.92 : x
  2. Step 2: Convert to fraction form
    34,697.28/47,881.98 = 18,781.92/x
  3. Step 3: Cross multiply
    34,697.28x = 47,881.98 × 18,781.92
  4. Step 4: Simplify right side
    34,697.28x = 899,315,517.80
  5. Step 5: Solve for x
    x = 899,315,517.80/34,697.28
  6. Step 6: Final answer
    x = 25,918.91

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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.