Home / 39,668.52-54,739.08-22,669.38

Finding the Fourth Proportional to 39,668.52, 54,739.08 and 22,669.38

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Solution

The fourth proportional to 39,668.52, 54,739.08 and 22,669.38 is: 31,281.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,668.52 : 54,739.08 = 22,669.38 : x
  2. Step 2: Convert to fraction form
    39,668.52/54,739.08 = 22,669.38/x
  3. Step 3: Cross multiply
    39,668.52x = 54,739.08 × 22,669.38
  4. Step 4: Simplify right side
    39,668.52x = 1,240,901,005.37
  5. Step 5: Solve for x
    x = 1,240,901,005.37/39,668.52
  6. Step 6: Final answer
    x = 31,281.76

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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.