Home / 53,546.50-80,330.64-18,481.60

Finding the Fourth Proportional to 53,546.50, 80,330.64 and 18,481.60

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Solution

The fourth proportional to 53,546.50, 80,330.64 and 18,481.60 is: 27,726.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,546.50 : 80,330.64 = 18,481.60 : x
  2. Step 2: Convert to fraction form
    53,546.50/80,330.64 = 18,481.60/x
  3. Step 3: Cross multiply
    53,546.50x = 80,330.64 × 18,481.60
  4. Step 4: Simplify right side
    53,546.50x = 1,484,638,756.22
  5. Step 5: Solve for x
    x = 1,484,638,756.22/53,546.50
  6. Step 6: Final answer
    x = 27,726.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.