Home / 45,439.56-68,168.01-15,865.86

Finding the Fourth Proportional to 45,439.56, 68,168.01 and 15,865.86

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Solution

The fourth proportional to 45,439.56, 68,168.01 and 15,865.86 is: 23,801.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,439.56 : 68,168.01 = 15,865.86 : x
  2. Step 2: Convert to fraction form
    45,439.56/68,168.01 = 15,865.86/x
  3. Step 3: Cross multiply
    45,439.56x = 68,168.01 × 15,865.86
  4. Step 4: Simplify right side
    45,439.56x = 1,081,544,103.14
  5. Step 5: Solve for x
    x = 1,081,544,103.14/45,439.56
  6. Step 6: Final answer
    x = 23,801.82

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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.