Home / 39,433.48-54,418.80-22,438.60

Finding the Fourth Proportional to 39,433.48, 54,418.80 and 22,438.60

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Solution

The fourth proportional to 39,433.48, 54,418.80 and 22,438.60 is: 30,965.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,433.48 : 54,418.80 = 22,438.60 : x
  2. Step 2: Convert to fraction form
    39,433.48/54,418.80 = 22,438.60/x
  3. Step 3: Cross multiply
    39,433.48x = 54,418.80 × 22,438.60
  4. Step 4: Simplify right side
    39,433.48x = 1,221,081,685.68
  5. Step 5: Solve for x
    x = 1,221,081,685.68/39,433.48
  6. Step 6: Final answer
    x = 30,965.61

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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.