Home / 45,754.20-68,633.75-14,186.07

Finding the Fourth Proportional to 45,754.20, 68,633.75 and 14,186.07

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Solution

The fourth proportional to 45,754.20, 68,633.75 and 14,186.07 is: 21,279.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,754.20 : 68,633.75 = 14,186.07 : x
  2. Step 2: Convert to fraction form
    45,754.20/68,633.75 = 14,186.07/x
  3. Step 3: Cross multiply
    45,754.20x = 68,633.75 × 14,186.07
  4. Step 4: Simplify right side
    45,754.20x = 973,643,217.33
  5. Step 5: Solve for x
    x = 973,643,217.33/45,754.20
  6. Step 6: Final answer
    x = 21,279.87

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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.