Home / 64,141.32-96,221.04-19,771.68

Finding the Fourth Proportional to 64,141.32, 96,221.04 and 19,771.68

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Solution

The fourth proportional to 64,141.32, 96,221.04 and 19,771.68 is: 29,660.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,141.32 : 96,221.04 = 19,771.68 : x
  2. Step 2: Convert to fraction form
    64,141.32/96,221.04 = 19,771.68/x
  3. Step 3: Cross multiply
    64,141.32x = 96,221.04 × 19,771.68
  4. Step 4: Simplify right side
    64,141.32x = 1,902,451,612.15
  5. Step 5: Solve for x
    x = 1,902,451,612.15/64,141.32
  6. Step 6: Final answer
    x = 29,660.31

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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.