Home / 54,473.91-81,669.33-28,161.87

Finding the Fourth Proportional to 54,473.91, 81,669.33 and 28,161.87

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Solution

The fourth proportional to 54,473.91, 81,669.33 and 28,161.87 is: 42,221.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,473.91 : 81,669.33 = 28,161.87 : x
  2. Step 2: Convert to fraction form
    54,473.91/81,669.33 = 28,161.87/x
  3. Step 3: Cross multiply
    54,473.91x = 81,669.33 × 28,161.87
  4. Step 4: Simplify right side
    54,473.91x = 2,299,961,054.45
  5. Step 5: Solve for x
    x = 2,299,961,054.45/54,473.91
  6. Step 6: Final answer
    x = 42,221.33

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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.