Home / 55,727.08-83,536.86-18,770.92

Finding the Fourth Proportional to 55,727.08, 83,536.86 and 18,770.92

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Solution

The fourth proportional to 55,727.08, 83,536.86 and 18,770.92 is: 28,138.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,727.08 : 83,536.86 = 18,770.92 : x
  2. Step 2: Convert to fraction form
    55,727.08/83,536.86 = 18,770.92/x
  3. Step 3: Cross multiply
    55,727.08x = 83,536.86 × 18,770.92
  4. Step 4: Simplify right side
    55,727.08x = 1,568,063,716.11
  5. Step 5: Solve for x
    x = 1,568,063,716.11/55,727.08
  6. Step 6: Final answer
    x = 28,138.27

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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.