Home / 49,289.36-73,986.66-21,223.31

Finding the Fourth Proportional to 49,289.36, 73,986.66 and 21,223.31

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Solution

The fourth proportional to 49,289.36, 73,986.66 and 21,223.31 is: 31,857.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,289.36 : 73,986.66 = 21,223.31 : x
  2. Step 2: Convert to fraction form
    49,289.36/73,986.66 = 21,223.31/x
  3. Step 3: Cross multiply
    49,289.36x = 73,986.66 × 21,223.31
  4. Step 4: Simplify right side
    49,289.36x = 1,570,241,451.11
  5. Step 5: Solve for x
    x = 1,570,241,451.11/49,289.36
  6. Step 6: Final answer
    x = 31,857.62

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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.