Home / 45,620.91-68,431.68-14,030.64

Finding the Fourth Proportional to 45,620.91, 68,431.68 and 14,030.64

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Solution

The fourth proportional to 45,620.91, 68,431.68 and 14,030.64 is: 21,046.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,620.91 : 68,431.68 = 14,030.64 : x
  2. Step 2: Convert to fraction form
    45,620.91/68,431.68 = 14,030.64/x
  3. Step 3: Cross multiply
    45,620.91x = 68,431.68 × 14,030.64
  4. Step 4: Simplify right side
    45,620.91x = 960,140,266.68
  5. Step 5: Solve for x
    x = 960,140,266.68/45,620.91
  6. Step 6: Final answer
    x = 21,046.06

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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.