Home / 35,768.20-49,357.38-20,653.96

Finding the Fourth Proportional to 35,768.20, 49,357.38 and 20,653.96

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Solution

The fourth proportional to 35,768.20, 49,357.38 and 20,653.96 is: 28,500.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,768.20 : 49,357.38 = 20,653.96 : x
  2. Step 2: Convert to fraction form
    35,768.20/49,357.38 = 20,653.96/x
  3. Step 3: Cross multiply
    35,768.20x = 49,357.38 × 20,653.96
  4. Step 4: Simplify right side
    35,768.20x = 1,019,425,352.22
  5. Step 5: Solve for x
    x = 1,019,425,352.22/35,768.20
  6. Step 6: Final answer
    x = 28,500.88

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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.