Home / 39,752-54,857.76-22,986.08

Finding the Fourth Proportional to 39,752, 54,857.76 and 22,986.08

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Solution

The fourth proportional to 39,752, 54,857.76 and 22,986.08 is: 31,720.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,752 : 54,857.76 = 22,986.08 : x
  2. Step 2: Convert to fraction form
    39,752/54,857.76 = 22,986.08/x
  3. Step 3: Cross multiply
    39,752x = 54,857.76 × 22,986.08
  4. Step 4: Simplify right side
    39,752x = 1,260,964,859.98
  5. Step 5: Solve for x
    x = 1,260,964,859.98/39,752
  6. Step 6: Final answer
    x = 31,720.79

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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.