Home / 36,511.80-54,693.87-28,162.92

Finding the Fourth Proportional to 36,511.80, 54,693.87 and 28,162.92

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Solution

The fourth proportional to 36,511.80, 54,693.87 and 28,162.92 is: 42,187.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,511.80 : 54,693.87 = 28,162.92 : x
  2. Step 2: Convert to fraction form
    36,511.80/54,693.87 = 28,162.92/x
  3. Step 3: Cross multiply
    36,511.80x = 54,693.87 × 28,162.92
  4. Step 4: Simplify right side
    36,511.80x = 1,540,339,184.79
  5. Step 5: Solve for x
    x = 1,540,339,184.79/36,511.80
  6. Step 6: Final answer
    x = 42,187.44

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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.