Home / 53,719.37-80,558.20-18,171.19

Finding the Fourth Proportional to 53,719.37, 80,558.20 and 18,171.19

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Solution

The fourth proportional to 53,719.37, 80,558.20 and 18,171.19 is: 27,249.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,719.37 : 80,558.20 = 18,171.19 : x
  2. Step 2: Convert to fraction form
    53,719.37/80,558.20 = 18,171.19/x
  3. Step 3: Cross multiply
    53,719.37x = 80,558.20 × 18,171.19
  4. Step 4: Simplify right side
    53,719.37x = 1,463,838,358.26
  5. Step 5: Solve for x
    x = 1,463,838,358.26/53,719.37
  6. Step 6: Final answer
    x = 27,249.73

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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.