Home / 63,420.13-95,131.13-30,143.59

Finding the Fourth Proportional to 63,420.13, 95,131.13 and 30,143.59

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Solution

The fourth proportional to 63,420.13, 95,131.13 and 30,143.59 is: 45,215.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,420.13 : 95,131.13 = 30,143.59 : x
  2. Step 2: Convert to fraction form
    63,420.13/95,131.13 = 30,143.59/x
  3. Step 3: Cross multiply
    63,420.13x = 95,131.13 × 30,143.59
  4. Step 4: Simplify right side
    63,420.13x = 2,867,593,778.96
  5. Step 5: Solve for x
    x = 2,867,593,778.96/63,420.13
  6. Step 6: Final answer
    x = 45,215.83

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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.