Home / 63,419.13-95,129.63-30,142.59

Finding the Fourth Proportional to 63,419.13, 95,129.63 and 30,142.59

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Solution

The fourth proportional to 63,419.13, 95,129.63 and 30,142.59 is: 45,214.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,419.13 : 95,129.63 = 30,142.59 : x
  2. Step 2: Convert to fraction form
    63,419.13/95,129.63 = 30,142.59/x
  3. Step 3: Cross multiply
    63,419.13x = 95,129.63 × 30,142.59
  4. Step 4: Simplify right side
    63,419.13x = 2,867,453,433.94
  5. Step 5: Solve for x
    x = 2,867,453,433.94/63,419.13
  6. Step 6: Final answer
    x = 45,214.33

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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.