Home / 39,619.17-59,439.11-11,538.62

Finding the Fourth Proportional to 39,619.17, 59,439.11 and 11,538.62

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Solution

The fourth proportional to 39,619.17, 59,439.11 and 11,538.62 is: 17,310.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,619.17 : 59,439.11 = 11,538.62 : x
  2. Step 2: Convert to fraction form
    39,619.17/59,439.11 = 11,538.62/x
  3. Step 3: Cross multiply
    39,619.17x = 59,439.11 × 11,538.62
  4. Step 4: Simplify right side
    39,619.17x = 685,844,948.54
  5. Step 5: Solve for x
    x = 685,844,948.54/39,619.17
  6. Step 6: Final answer
    x = 17,310.94

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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.