Home / 35,836.60-49,453.54-19,921.72

Finding the Fourth Proportional to 35,836.60, 49,453.54 and 19,921.72

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Solution

The fourth proportional to 35,836.60, 49,453.54 and 19,921.72 is: 27,491.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,836.60 : 49,453.54 = 19,921.72 : x
  2. Step 2: Convert to fraction form
    35,836.60/49,453.54 = 19,921.72/x
  3. Step 3: Cross multiply
    35,836.60x = 49,453.54 × 19,921.72
  4. Step 4: Simplify right side
    35,836.60x = 985,199,576.89
  5. Step 5: Solve for x
    x = 985,199,576.89/35,836.60
  6. Step 6: Final answer
    x = 27,491.44

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1.5x scale

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.