Home / 54,444.72-81,645.96-21,160.38

Finding the Fourth Proportional to 54,444.72, 81,645.96 and 21,160.38

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Solution

The fourth proportional to 54,444.72, 81,645.96 and 21,160.38 is: 31,732.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,444.72 : 81,645.96 = 21,160.38 : x
  2. Step 2: Convert to fraction form
    54,444.72/81,645.96 = 21,160.38/x
  3. Step 3: Cross multiply
    54,444.72x = 81,645.96 × 21,160.38
  4. Step 4: Simplify right side
    54,444.72x = 1,727,659,539.06
  5. Step 5: Solve for x
    x = 1,727,659,539.06/54,444.72
  6. Step 6: Final answer
    x = 31,732.36

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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.