Home / 35,138.78-52,733.69-13,794.58

Finding the Fourth Proportional to 35,138.78, 52,733.69 and 13,794.58

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Solution

The fourth proportional to 35,138.78, 52,733.69 and 13,794.58 is: 20,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,138.78 : 52,733.69 = 13,794.58 : x
  2. Step 2: Convert to fraction form
    35,138.78/52,733.69 = 13,794.58/x
  3. Step 3: Cross multiply
    35,138.78x = 52,733.69 × 13,794.58
  4. Step 4: Simplify right side
    35,138.78x = 727,438,935.04
  5. Step 5: Solve for x
    x = 727,438,935.04/35,138.78
  6. Step 6: Final answer
    x = 20,701.88

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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.