Home / 34,939.96-48,209.64-20,790.04

Finding the Fourth Proportional to 34,939.96, 48,209.64 and 20,790.04

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Solution

The fourth proportional to 34,939.96, 48,209.64 and 20,790.04 is: 28,685.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,939.96 : 48,209.64 = 20,790.04 : x
  2. Step 2: Convert to fraction form
    34,939.96/48,209.64 = 20,790.04/x
  3. Step 3: Cross multiply
    34,939.96x = 48,209.64 × 20,790.04
  4. Step 4: Simplify right side
    34,939.96x = 1,002,280,343.99
  5. Step 5: Solve for x
    x = 1,002,280,343.99/34,939.96
  6. Step 6: Final answer
    x = 28,685.79

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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.