Home / 53,469.68-80,215.32-18,410.72

Finding the Fourth Proportional to 53,469.68, 80,215.32 and 18,410.72

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Solution

The fourth proportional to 53,469.68, 80,215.32 and 18,410.72 is: 27,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,469.68 : 80,215.32 = 18,410.72 : x
  2. Step 2: Convert to fraction form
    53,469.68/80,215.32 = 18,410.72/x
  3. Step 3: Cross multiply
    53,469.68x = 80,215.32 × 18,410.72
  4. Step 4: Simplify right side
    53,469.68x = 1,476,821,796.23
  5. Step 5: Solve for x
    x = 1,476,821,796.23/53,469.68
  6. Step 6: Final answer
    x = 27,619.80

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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.