Home / 54,124.82-81,197.31-19,086.74

Finding the Fourth Proportional to 54,124.82, 81,197.31 and 19,086.74

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Solution

The fourth proportional to 54,124.82, 81,197.31 and 19,086.74 is: 28,633.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,124.82 : 81,197.31 = 19,086.74 : x
  2. Step 2: Convert to fraction form
    54,124.82/81,197.31 = 19,086.74/x
  3. Step 3: Cross multiply
    54,124.82x = 81,197.31 × 19,086.74
  4. Step 4: Simplify right side
    54,124.82x = 1,549,791,944.67
  5. Step 5: Solve for x
    x = 1,549,791,944.67/54,124.82
  6. Step 6: Final answer
    x = 28,633.66

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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.