Home / 35,964.68-49,633.97-20,857.22

Finding the Fourth Proportional to 35,964.68, 49,633.97 and 20,857.22

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Solution

The fourth proportional to 35,964.68, 49,633.97 and 20,857.22 is: 28,784.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,964.68 : 49,633.97 = 20,857.22 : x
  2. Step 2: Convert to fraction form
    35,964.68/49,633.97 = 20,857.22/x
  3. Step 3: Cross multiply
    35,964.68x = 49,633.97 × 20,857.22
  4. Step 4: Simplify right side
    35,964.68x = 1,035,226,465.43
  5. Step 5: Solve for x
    x = 1,035,226,465.43/35,964.68
  6. Step 6: Final answer
    x = 28,784.53

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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.