Home / 38,251.11-57,384.77-11,957.84

Finding the Fourth Proportional to 38,251.11, 57,384.77 and 11,957.84

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Solution

The fourth proportional to 38,251.11, 57,384.77 and 11,957.84 is: 17,939.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,251.11 : 57,384.77 = 11,957.84 : x
  2. Step 2: Convert to fraction form
    38,251.11/57,384.77 = 11,957.84/x
  3. Step 3: Cross multiply
    38,251.11x = 57,384.77 × 11,957.84
  4. Step 4: Simplify right side
    38,251.11x = 686,197,551.38
  5. Step 5: Solve for x
    x = 686,197,551.38/38,251.11
  6. Step 6: Final answer
    x = 17,939.28

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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.