Home / 64,121.76-96,184.26-30,379.86

Finding the Fourth Proportional to 64,121.76, 96,184.26 and 30,379.86

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Solution

The fourth proportional to 64,121.76, 96,184.26 and 30,379.86 is: 45,570.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,121.76 : 96,184.26 = 30,379.86 : x
  2. Step 2: Convert to fraction form
    64,121.76/96,184.26 = 30,379.86/x
  3. Step 3: Cross multiply
    64,121.76x = 96,184.26 × 30,379.86
  4. Step 4: Simplify right side
    64,121.76x = 2,922,064,353.00
  5. Step 5: Solve for x
    x = 2,922,064,353.00/64,121.76
  6. Step 6: Final answer
    x = 45,570.56

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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.