Home / 49,129.43-67,779.37-30,233.75

Finding the Fourth Proportional to 49,129.43, 67,779.37 and 30,233.75

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Solution

The fourth proportional to 49,129.43, 67,779.37 and 30,233.75 is: 41,710.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,129.43 : 67,779.37 = 30,233.75 : x
  2. Step 2: Convert to fraction form
    49,129.43/67,779.37 = 30,233.75/x
  3. Step 3: Cross multiply
    49,129.43x = 67,779.37 × 30,233.75
  4. Step 4: Simplify right side
    49,129.43x = 2,049,224,697.19
  5. Step 5: Solve for x
    x = 2,049,224,697.19/49,129.43
  6. Step 6: Final answer
    x = 41,710.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.