Home / 39,731.44-54,829.19-21,582.02

Finding the Fourth Proportional to 39,731.44, 54,829.19 and 21,582.02

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Solution

The fourth proportional to 39,731.44, 54,829.19 and 21,582.02 is: 29,783.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,731.44 : 54,829.19 = 21,582.02 : x
  2. Step 2: Convert to fraction form
    39,731.44/54,829.19 = 21,582.02/x
  3. Step 3: Cross multiply
    39,731.44x = 54,829.19 × 21,582.02
  4. Step 4: Simplify right side
    39,731.44x = 1,183,324,675.16
  5. Step 5: Solve for x
    x = 1,183,324,675.16/39,731.44
  6. Step 6: Final answer
    x = 29,783.08

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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.