Home / 45,119.52-67,634.66-21,385.40

Finding the Fourth Proportional to 45,119.52, 67,634.66 and 21,385.40

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Solution

The fourth proportional to 45,119.52, 67,634.66 and 21,385.40 is: 32,056.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,119.52 : 67,634.66 = 21,385.40 : x
  2. Step 2: Convert to fraction form
    45,119.52/67,634.66 = 21,385.40/x
  3. Step 3: Cross multiply
    45,119.52x = 67,634.66 × 21,385.40
  4. Step 4: Simplify right side
    45,119.52x = 1,446,394,257.96
  5. Step 5: Solve for x
    x = 1,446,394,257.96/45,119.52
  6. Step 6: Final answer
    x = 32,056.95

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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.