Home / 39,662.60-54,733.93-21,757.75

Finding the Fourth Proportional to 39,662.60, 54,733.93 and 21,757.75

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Solution

The fourth proportional to 39,662.60, 54,733.93 and 21,757.75 is: 30,025.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,662.60 : 54,733.93 = 21,757.75 : x
  2. Step 2: Convert to fraction form
    39,662.60/54,733.93 = 21,757.75/x
  3. Step 3: Cross multiply
    39,662.60x = 54,733.93 × 21,757.75
  4. Step 4: Simplify right side
    39,662.60x = 1,190,886,974.23
  5. Step 5: Solve for x
    x = 1,190,886,974.23/39,662.60
  6. Step 6: Final answer
    x = 30,025.44

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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.