Home / 39,915-59,882.67-11,836.08

Finding the Fourth Proportional to 39,915, 59,882.67 and 11,836.08

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Solution

The fourth proportional to 39,915, 59,882.67 and 11,836.08 is: 17,757.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,915 : 59,882.67 = 11,836.08 : x
  2. Step 2: Convert to fraction form
    39,915/59,882.67 = 11,836.08/x
  3. Step 3: Cross multiply
    39,915x = 59,882.67 × 11,836.08
  4. Step 4: Simplify right side
    39,915x = 708,776,072.73
  5. Step 5: Solve for x
    x = 708,776,072.73/39,915
  6. Step 6: Final answer
    x = 17,757.14

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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.