Home / 35,622.15-49,154.30-19,704.43

Finding the Fourth Proportional to 35,622.15, 49,154.30 and 19,704.43

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Solution

The fourth proportional to 35,622.15, 49,154.30 and 19,704.43 is: 27,189.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,622.15 : 49,154.30 = 19,704.43 : x
  2. Step 2: Convert to fraction form
    35,622.15/49,154.30 = 19,704.43/x
  3. Step 3: Cross multiply
    35,622.15x = 49,154.30 × 19,704.43
  4. Step 4: Simplify right side
    35,622.15x = 968,557,500.36
  5. Step 5: Solve for x
    x = 968,557,500.36/35,622.15
  6. Step 6: Final answer
    x = 27,189.76

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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.