Home / 54,473.22-81,713.97-21,178.98

Finding the Fourth Proportional to 54,473.22, 81,713.97 and 21,178.98

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Solution

The fourth proportional to 54,473.22, 81,713.97 and 21,178.98 is: 31,770.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,473.22 : 81,713.97 = 21,178.98 : x
  2. Step 2: Convert to fraction form
    54,473.22/81,713.97 = 21,178.98/x
  3. Step 3: Cross multiply
    54,473.22x = 81,713.97 × 21,178.98
  4. Step 4: Simplify right side
    54,473.22x = 1,730,618,536.35
  5. Step 5: Solve for x
    x = 1,730,618,536.35/54,473.22
  6. Step 6: Final answer
    x = 31,770.08

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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.