Home / 54,394.96-81,593.16-21,116.92

Finding the Fourth Proportional to 54,394.96, 81,593.16 and 21,116.92

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Solution

The fourth proportional to 54,394.96, 81,593.16 and 21,116.92 is: 31,675.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,394.96 : 81,593.16 = 21,116.92 : x
  2. Step 2: Convert to fraction form
    54,394.96/81,593.16 = 21,116.92/x
  3. Step 3: Cross multiply
    54,394.96x = 81,593.16 × 21,116.92
  4. Step 4: Simplify right side
    54,394.96x = 1,722,996,232.27
  5. Step 5: Solve for x
    x = 1,722,996,232.27/54,394.96
  6. Step 6: Final answer
    x = 31,675.66

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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.