Home / 64,613.52-96,920.30-20,243.75

Finding the Fourth Proportional to 64,613.52, 96,920.30 and 20,243.75

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Solution

The fourth proportional to 64,613.52, 96,920.30 and 20,243.75 is: 30,365.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,613.52 : 96,920.30 = 20,243.75 : x
  2. Step 2: Convert to fraction form
    64,613.52/96,920.30 = 20,243.75/x
  3. Step 3: Cross multiply
    64,613.52x = 96,920.30 × 20,243.75
  4. Step 4: Simplify right side
    64,613.52x = 1,962,029,889.13
  5. Step 5: Solve for x
    x = 1,962,029,889.13/64,613.52
  6. Step 6: Final answer
    x = 30,365.62

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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.