Home / 39,377.45-54,339.68-22,383.55

Finding the Fourth Proportional to 39,377.45, 54,339.68 and 22,383.55

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Solution

The fourth proportional to 39,377.45, 54,339.68 and 22,383.55 is: 30,888.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,377.45 : 54,339.68 = 22,383.55 : x
  2. Step 2: Convert to fraction form
    39,377.45/54,339.68 = 22,383.55/x
  3. Step 3: Cross multiply
    39,377.45x = 54,339.68 × 22,383.55
  4. Step 4: Simplify right side
    39,377.45x = 1,216,314,560.65
  5. Step 5: Solve for x
    x = 1,216,314,560.65/39,377.45
  6. Step 6: Final answer
    x = 30,888.61

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1.5x scale

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.