Home / 64,215.30-96,333.24-19,831.62

Finding the Fourth Proportional to 64,215.30, 96,333.24 and 19,831.62

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Solution

The fourth proportional to 64,215.30, 96,333.24 and 19,831.62 is: 29,750.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,215.30 : 96,333.24 = 19,831.62 : x
  2. Step 2: Convert to fraction form
    64,215.30/96,333.24 = 19,831.62/x
  3. Step 3: Cross multiply
    64,215.30x = 96,333.24 × 19,831.62
  4. Step 4: Simplify right side
    64,215.30x = 1,910,444,209.05
  5. Step 5: Solve for x
    x = 1,910,444,209.05/64,215.30
  6. Step 6: Final answer
    x = 29,750.61

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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.