Home / 54,909.36-82,383.72-21,610.92

Finding the Fourth Proportional to 54,909.36, 82,383.72 and 21,610.92

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Solution

The fourth proportional to 54,909.36, 82,383.72 and 21,610.92 is: 32,424.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,909.36 : 82,383.72 = 21,610.92 : x
  2. Step 2: Convert to fraction form
    54,909.36/82,383.72 = 21,610.92/x
  3. Step 3: Cross multiply
    54,909.36x = 82,383.72 × 21,610.92
  4. Step 4: Simplify right side
    54,909.36x = 1,780,387,982.22
  5. Step 5: Solve for x
    x = 1,780,387,982.22/54,909.36
  6. Step 6: Final answer
    x = 32,424.13

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1.5x scale

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.