Home / 39,984.48-59,966.28-11,896.92

Finding the Fourth Proportional to 39,984.48, 59,966.28 and 11,896.92

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Solution

The fourth proportional to 39,984.48, 59,966.28 and 11,896.92 is: 17,842.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,984.48 : 59,966.28 = 11,896.92 : x
  2. Step 2: Convert to fraction form
    39,984.48/59,966.28 = 11,896.92/x
  3. Step 3: Cross multiply
    39,984.48x = 59,966.28 × 11,896.92
  4. Step 4: Simplify right side
    39,984.48x = 713,414,035.86
  5. Step 5: Solve for x
    x = 713,414,035.86/39,984.48
  6. Step 6: Final answer
    x = 17,842.27

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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.