Home / 39,936.86-59,914.51-11,856.29

Finding the Fourth Proportional to 39,936.86, 59,914.51 and 11,856.29

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Solution

The fourth proportional to 39,936.86, 59,914.51 and 11,856.29 is: 17,787.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,936.86 : 59,914.51 = 11,856.29 : x
  2. Step 2: Convert to fraction form
    39,936.86/59,914.51 = 11,856.29/x
  3. Step 3: Cross multiply
    39,936.86x = 59,914.51 × 11,856.29
  4. Step 4: Simplify right side
    39,936.86x = 710,363,476.55
  5. Step 5: Solve for x
    x = 710,363,476.55/39,936.86
  6. Step 6: Final answer
    x = 17,787.16

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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.