Home / 49,134.51-73,701.77-12,198.51

Finding the Fourth Proportional to 49,134.51, 73,701.77 and 12,198.51

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Solution

The fourth proportional to 49,134.51, 73,701.77 and 12,198.51 is: 18,297.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,134.51 : 73,701.77 = 12,198.51 : x
  2. Step 2: Convert to fraction form
    49,134.51/73,701.77 = 12,198.51/x
  3. Step 3: Cross multiply
    49,134.51x = 73,701.77 × 12,198.51
  4. Step 4: Simplify right side
    49,134.51x = 899,051,717.37
  5. Step 5: Solve for x
    x = 899,051,717.37/49,134.51
  6. Step 6: Final answer
    x = 18,297.77

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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.