Home / 45,456.11-68,184.22-13,864.50

Finding the Fourth Proportional to 45,456.11, 68,184.22 and 13,864.50

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Solution

The fourth proportional to 45,456.11, 68,184.22 and 13,864.50 is: 20,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,456.11 : 68,184.22 = 13,864.50 : x
  2. Step 2: Convert to fraction form
    45,456.11/68,184.22 = 13,864.50/x
  3. Step 3: Cross multiply
    45,456.11x = 68,184.22 × 13,864.50
  4. Step 4: Simplify right side
    45,456.11x = 945,340,220.75
  5. Step 5: Solve for x
    x = 945,340,220.75/45,456.11
  6. Step 6: Final answer
    x = 20,796.77

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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.