Home / 49,289.48-73,986.85-21,223.43

Finding the Fourth Proportional to 49,289.48, 73,986.85 and 21,223.43

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Solution

The fourth proportional to 49,289.48, 73,986.85 and 21,223.43 is: 31,857.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,289.48 : 73,986.85 = 21,223.43 : x
  2. Step 2: Convert to fraction form
    49,289.48/73,986.85 = 21,223.43/x
  3. Step 3: Cross multiply
    49,289.48x = 73,986.85 × 21,223.43
  4. Step 4: Simplify right side
    49,289.48x = 1,570,254,731.90
  5. Step 5: Solve for x
    x = 1,570,254,731.90/49,289.48
  6. Step 6: Final answer
    x = 31,857.81

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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.