Home / 37,771.38-52,125.86-20,776.96

Finding the Fourth Proportional to 37,771.38, 52,125.86 and 20,776.96

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Solution

The fourth proportional to 37,771.38, 52,125.86 and 20,776.96 is: 28,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,771.38 : 52,125.86 = 20,776.96 : x
  2. Step 2: Convert to fraction form
    37,771.38/52,125.86 = 20,776.96/x
  3. Step 3: Cross multiply
    37,771.38x = 52,125.86 × 20,776.96
  4. Step 4: Simplify right side
    37,771.38x = 1,083,016,732.08
  5. Step 5: Solve for x
    x = 1,083,016,732.08/37,771.38
  6. Step 6: Final answer
    x = 28,672.95

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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.