Home / 63,420.85-95,132.22-30,144.34

Finding the Fourth Proportional to 63,420.85, 95,132.22 and 30,144.34

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Solution

The fourth proportional to 63,420.85, 95,132.22 and 30,144.34 is: 45,216.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,420.85 : 95,132.22 = 30,144.34 : x
  2. Step 2: Convert to fraction form
    63,420.85/95,132.22 = 30,144.34/x
  3. Step 3: Cross multiply
    63,420.85x = 95,132.22 × 30,144.34
  4. Step 4: Simplify right side
    63,420.85x = 2,867,697,984.63
  5. Step 5: Solve for x
    x = 2,867,697,984.63/63,420.85
  6. Step 6: Final answer
    x = 45,216.96

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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.