Home / 39,812.19-59,708.64-11,724.60

Finding the Fourth Proportional to 39,812.19, 59,708.64 and 11,724.60

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Solution

The fourth proportional to 39,812.19, 59,708.64 and 11,724.60 is: 17,584.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,812.19 : 59,708.64 = 11,724.60 : x
  2. Step 2: Convert to fraction form
    39,812.19/59,708.64 = 11,724.60/x
  3. Step 3: Cross multiply
    39,812.19x = 59,708.64 × 11,724.60
  4. Step 4: Simplify right side
    39,812.19x = 700,059,920.54
  5. Step 5: Solve for x
    x = 700,059,920.54/39,812.19
  6. Step 6: Final answer
    x = 17,584.06

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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.