Home / 45,819.35-68,739.80-14,227.82

Finding the Fourth Proportional to 45,819.35, 68,739.80 and 14,227.82

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Solution

The fourth proportional to 45,819.35, 68,739.80 and 14,227.82 is: 21,345.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,819.35 : 68,739.80 = 14,227.82 : x
  2. Step 2: Convert to fraction form
    45,819.35/68,739.80 = 14,227.82/x
  3. Step 3: Cross multiply
    45,819.35x = 68,739.80 × 14,227.82
  4. Step 4: Simplify right side
    45,819.35x = 978,017,086.40
  5. Step 5: Solve for x
    x = 978,017,086.40/45,819.35
  6. Step 6: Final answer
    x = 21,345.07

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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.