Home / 39,552.80-54,582.57-21,647.61

Finding the Fourth Proportional to 39,552.80, 54,582.57 and 21,647.61

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Solution

The fourth proportional to 39,552.80, 54,582.57 and 21,647.61 is: 29,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,552.80 : 54,582.57 = 21,647.61 : x
  2. Step 2: Convert to fraction form
    39,552.80/54,582.57 = 21,647.61/x
  3. Step 3: Cross multiply
    39,552.80x = 54,582.57 × 21,647.61
  4. Step 4: Simplify right side
    39,552.80x = 1,181,582,188.16
  5. Step 5: Solve for x
    x = 1,181,582,188.16/39,552.80
  6. Step 6: Final answer
    x = 29,873.54

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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.