Home / 39,992.96-59,989.32-22,215.28

Finding the Fourth Proportional to 39,992.96, 59,989.32 and 22,215.28

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Solution

The fourth proportional to 39,992.96, 59,989.32 and 22,215.28 is: 33,322.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,992.96 : 59,989.32 = 22,215.28 : x
  2. Step 2: Convert to fraction form
    39,992.96/59,989.32 = 22,215.28/x
  3. Step 3: Cross multiply
    39,992.96x = 59,989.32 × 22,215.28
  4. Step 4: Simplify right side
    39,992.96x = 1,332,679,540.81
  5. Step 5: Solve for x
    x = 1,332,679,540.81/39,992.96
  6. Step 6: Final answer
    x = 33,322.85

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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.