Home / 45,388.76-68,088.60-19,086.44

Finding the Fourth Proportional to 45,388.76, 68,088.60 and 19,086.44

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Solution

The fourth proportional to 45,388.76, 68,088.60 and 19,086.44 is: 28,631.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,388.76 : 68,088.60 = 19,086.44 : x
  2. Step 2: Convert to fraction form
    45,388.76/68,088.60 = 19,086.44/x
  3. Step 3: Cross multiply
    45,388.76x = 68,088.60 × 19,086.44
  4. Step 4: Simplify right side
    45,388.76x = 1,299,568,638.14
  5. Step 5: Solve for x
    x = 1,299,568,638.14/45,388.76
  6. Step 6: Final answer
    x = 28,631.95

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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.