Home / 39,904.77-59,838.78-11,814.78

Finding the Fourth Proportional to 39,904.77, 59,838.78 and 11,814.78

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Solution

The fourth proportional to 39,904.77, 59,838.78 and 11,814.78 is: 17,716.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,904.77 : 59,838.78 = 11,814.78 : x
  2. Step 2: Convert to fraction form
    39,904.77/59,838.78 = 11,814.78/x
  3. Step 3: Cross multiply
    39,904.77x = 59,838.78 × 11,814.78
  4. Step 4: Simplify right side
    39,904.77x = 706,982,021.17
  5. Step 5: Solve for x
    x = 706,982,021.17/39,904.77
  6. Step 6: Final answer
    x = 17,716.73

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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.