Home / 47,749.86-71,489.46-39,679.83

Finding the Fourth Proportional to 47,749.86, 71,489.46 and 39,679.83

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Solution

The fourth proportional to 47,749.86, 71,489.46 and 39,679.83 is: 59,407.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,749.86 : 71,489.46 = 39,679.83 : x
  2. Step 2: Convert to fraction form
    47,749.86/71,489.46 = 39,679.83/x
  3. Step 3: Cross multiply
    47,749.86x = 71,489.46 × 39,679.83
  4. Step 4: Simplify right side
    47,749.86x = 2,836,689,619.59
  5. Step 5: Solve for x
    x = 2,836,689,619.59/47,749.86
  6. Step 6: Final answer
    x = 59,407.29

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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.