Home / 36,779.27-50,753.39-20,868.84

Finding the Fourth Proportional to 36,779.27, 50,753.39 and 20,868.84

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Solution

The fourth proportional to 36,779.27, 50,753.39 and 20,868.84 is: 28,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,779.27 : 50,753.39 = 20,868.84 : x
  2. Step 2: Convert to fraction form
    36,779.27/50,753.39 = 20,868.84/x
  3. Step 3: Cross multiply
    36,779.27x = 50,753.39 × 20,868.84
  4. Step 4: Simplify right side
    36,779.27x = 1,059,164,271.02
  5. Step 5: Solve for x
    x = 1,059,164,271.02/36,779.27
  6. Step 6: Final answer
    x = 28,797.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.