Home / 45,520.97-68,191.32-21,472.34

Finding the Fourth Proportional to 45,520.97, 68,191.32 and 21,472.34

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Solution

The fourth proportional to 45,520.97, 68,191.32 and 21,472.34 is: 32,165.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,520.97 : 68,191.32 = 21,472.34 : x
  2. Step 2: Convert to fraction form
    45,520.97/68,191.32 = 21,472.34/x
  3. Step 3: Cross multiply
    45,520.97x = 68,191.32 × 21,472.34
  4. Step 4: Simplify right side
    45,520.97x = 1,464,226,867.13
  5. Step 5: Solve for x
    x = 1,464,226,867.13/45,520.97
  6. Step 6: Final answer
    x = 32,165.99

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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.