Home / 45,383.76-68,000.04-15,785.28

Finding the Fourth Proportional to 45,383.76, 68,000.04 and 15,785.28

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Solution

The fourth proportional to 45,383.76, 68,000.04 and 15,785.28 is: 23,651.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,383.76 : 68,000.04 = 15,785.28 : x
  2. Step 2: Convert to fraction form
    45,383.76/68,000.04 = 15,785.28/x
  3. Step 3: Cross multiply
    45,383.76x = 68,000.04 × 15,785.28
  4. Step 4: Simplify right side
    45,383.76x = 1,073,399,671.41
  5. Step 5: Solve for x
    x = 1,073,399,671.41/45,383.76
  6. Step 6: Final answer
    x = 23,651.62

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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.