Home / 39,241.54-54,152.76-21,336.04

Finding the Fourth Proportional to 39,241.54, 54,152.76 and 21,336.04

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Solution

The fourth proportional to 39,241.54, 54,152.76 and 21,336.04 is: 29,443.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,241.54 : 54,152.76 = 21,336.04 : x
  2. Step 2: Convert to fraction form
    39,241.54/54,152.76 = 21,336.04/x
  3. Step 3: Cross multiply
    39,241.54x = 54,152.76 × 21,336.04
  4. Step 4: Simplify right side
    39,241.54x = 1,155,405,453.47
  5. Step 5: Solve for x
    x = 1,155,405,453.47/39,241.54
  6. Step 6: Final answer
    x = 29,443.43

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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.