Home / 39,668.18-54,738.62-22,669.08

Finding the Fourth Proportional to 39,668.18, 54,738.62 and 22,669.08

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Solution

The fourth proportional to 39,668.18, 54,738.62 and 22,669.08 is: 31,281.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,668.18 : 54,738.62 = 22,669.08 : x
  2. Step 2: Convert to fraction form
    39,668.18/54,738.62 = 22,669.08/x
  3. Step 3: Cross multiply
    39,668.18x = 54,738.62 × 22,669.08
  4. Step 4: Simplify right side
    39,668.18x = 1,240,874,155.87
  5. Step 5: Solve for x
    x = 1,240,874,155.87/39,668.18
  6. Step 6: Final answer
    x = 31,281.35

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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.