Home / 52,067.66-78,102.45-18,790.22

Finding the Fourth Proportional to 52,067.66, 78,102.45 and 18,790.22

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Solution

The fourth proportional to 52,067.66, 78,102.45 and 18,790.22 is: 28,185.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,067.66 : 78,102.45 = 18,790.22 : x
  2. Step 2: Convert to fraction form
    52,067.66/78,102.45 = 18,790.22/x
  3. Step 3: Cross multiply
    52,067.66x = 78,102.45 × 18,790.22
  4. Step 4: Simplify right side
    52,067.66x = 1,467,562,218.04
  5. Step 5: Solve for x
    x = 1,467,562,218.04/52,067.66
  6. Step 6: Final answer
    x = 28,185.68

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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.