Home / 64,558.24-96,851.07-20,188.34

Finding the Fourth Proportional to 64,558.24, 96,851.07 and 20,188.34

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Solution

The fourth proportional to 64,558.24, 96,851.07 and 20,188.34 is: 30,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,558.24 : 96,851.07 = 20,188.34 : x
  2. Step 2: Convert to fraction form
    64,558.24/96,851.07 = 20,188.34/x
  3. Step 3: Cross multiply
    64,558.24x = 96,851.07 × 20,188.34
  4. Step 4: Simplify right side
    64,558.24x = 1,955,262,152.68
  5. Step 5: Solve for x
    x = 1,955,262,152.68/64,558.24
  6. Step 6: Final answer
    x = 30,286.79

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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.