Home / 63,418.13-95,128.13-30,141.59

Finding the Fourth Proportional to 63,418.13, 95,128.13 and 30,141.59

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Solution

The fourth proportional to 63,418.13, 95,128.13 and 30,141.59 is: 45,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,418.13 : 95,128.13 = 30,141.59 : x
  2. Step 2: Convert to fraction form
    63,418.13/95,128.13 = 30,141.59/x
  3. Step 3: Cross multiply
    63,418.13x = 95,128.13 × 30,141.59
  4. Step 4: Simplify right side
    63,418.13x = 2,867,312,941.22
  5. Step 5: Solve for x
    x = 2,867,312,941.22/63,418.13
  6. Step 6: Final answer
    x = 45,212.83

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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.