Home / 53,447.48-80,170.38-18,387.44

Finding the Fourth Proportional to 53,447.48, 80,170.38 and 18,387.44

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Solution

The fourth proportional to 53,447.48, 80,170.38 and 18,387.44 is: 27,580.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,447.48 : 80,170.38 = 18,387.44 : x
  2. Step 2: Convert to fraction form
    53,447.48/80,170.38 = 18,387.44/x
  3. Step 3: Cross multiply
    53,447.48x = 80,170.38 × 18,387.44
  4. Step 4: Simplify right side
    53,447.48x = 1,474,128,052.03
  5. Step 5: Solve for x
    x = 1,474,128,052.03/53,447.48
  6. Step 6: Final answer
    x = 27,580.87

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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.