Home / 39,942.94-59,904.14-11,856.34

Finding the Fourth Proportional to 39,942.94, 59,904.14 and 11,856.34

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Solution

The fourth proportional to 39,942.94, 59,904.14 and 11,856.34 is: 17,781.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,942.94 : 59,904.14 = 11,856.34 : x
  2. Step 2: Convert to fraction form
    39,942.94/59,904.14 = 11,856.34/x
  3. Step 3: Cross multiply
    39,942.94x = 59,904.14 × 11,856.34
  4. Step 4: Simplify right side
    39,942.94x = 710,243,791.97
  5. Step 5: Solve for x
    x = 710,243,791.97/39,942.94
  6. Step 6: Final answer
    x = 17,781.46

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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.