Home / 39,871.91-59,807.97-11,792.45

Finding the Fourth Proportional to 39,871.91, 59,807.97 and 11,792.45

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Solution

The fourth proportional to 39,871.91, 59,807.97 and 11,792.45 is: 17,688.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,871.91 : 59,807.97 = 11,792.45 : x
  2. Step 2: Convert to fraction form
    39,871.91/59,807.97 = 11,792.45/x
  3. Step 3: Cross multiply
    39,871.91x = 59,807.97 × 11,792.45
  4. Step 4: Simplify right side
    39,871.91x = 705,282,645.35
  5. Step 5: Solve for x
    x = 705,282,645.35/39,871.91
  6. Step 6: Final answer
    x = 17,688.71

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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.