Home / 34,735.28-52,105.32-13,958.78

Finding the Fourth Proportional to 34,735.28, 52,105.32 and 13,958.78

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Solution

The fourth proportional to 34,735.28, 52,105.32 and 13,958.78 is: 20,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,735.28 : 52,105.32 = 13,958.78 : x
  2. Step 2: Convert to fraction form
    34,735.28/52,105.32 = 13,958.78/x
  3. Step 3: Cross multiply
    34,735.28x = 52,105.32 × 13,958.78
  4. Step 4: Simplify right side
    34,735.28x = 727,326,698.71
  5. Step 5: Solve for x
    x = 727,326,698.71/34,735.28
  6. Step 6: Final answer
    x = 20,939.13

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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.