Home / 64,608.28-96,912.59-20,238.91

Finding the Fourth Proportional to 64,608.28, 96,912.59 and 20,238.91

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Solution

The fourth proportional to 64,608.28, 96,912.59 and 20,238.91 is: 30,358.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,608.28 : 96,912.59 = 20,238.91 : x
  2. Step 2: Convert to fraction form
    64,608.28/96,912.59 = 20,238.91/x
  3. Step 3: Cross multiply
    64,608.28x = 96,912.59 × 20,238.91
  4. Step 4: Simplify right side
    64,608.28x = 1,961,405,186.88
  5. Step 5: Solve for x
    x = 1,961,405,186.88/64,608.28
  6. Step 6: Final answer
    x = 30,358.42

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1.5x scale

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.