Home / 63,234.93-94,859.69-21,120.60

Finding the Fourth Proportional to 63,234.93, 94,859.69 and 21,120.60

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Solution

The fourth proportional to 63,234.93, 94,859.69 and 21,120.60 is: 31,683.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,234.93 : 94,859.69 = 21,120.60 : x
  2. Step 2: Convert to fraction form
    63,234.93/94,859.69 = 21,120.60/x
  3. Step 3: Cross multiply
    63,234.93x = 94,859.69 × 21,120.60
  4. Step 4: Simplify right side
    63,234.93x = 2,003,493,568.61
  5. Step 5: Solve for x
    x = 2,003,493,568.61/63,234.93
  6. Step 6: Final answer
    x = 31,683.34

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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.