Home / 39,079.20-58,650.24-20,364.96

Finding the Fourth Proportional to 39,079.20, 58,650.24 and 20,364.96

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Solution

The fourth proportional to 39,079.20, 58,650.24 and 20,364.96 is: 30,563.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,079.20 : 58,650.24 = 20,364.96 : x
  2. Step 2: Convert to fraction form
    39,079.20/58,650.24 = 20,364.96/x
  3. Step 3: Cross multiply
    39,079.20x = 58,650.24 × 20,364.96
  4. Step 4: Simplify right side
    39,079.20x = 1,194,409,791.59
  5. Step 5: Solve for x
    x = 1,194,409,791.59/39,079.20
  6. Step 6: Final answer
    x = 30,563.82

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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.