Home / 39,565.44-54,600.34-21,661.54

Finding the Fourth Proportional to 39,565.44, 54,600.34 and 21,661.54

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Solution

The fourth proportional to 39,565.44, 54,600.34 and 21,661.54 is: 29,892.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,565.44 : 54,600.34 = 21,661.54 : x
  2. Step 2: Convert to fraction form
    39,565.44/54,600.34 = 21,661.54/x
  3. Step 3: Cross multiply
    39,565.44x = 54,600.34 × 21,661.54
  4. Step 4: Simplify right side
    39,565.44x = 1,182,727,448.92
  5. Step 5: Solve for x
    x = 1,182,727,448.92/39,565.44
  6. Step 6: Final answer
    x = 29,892.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.