Home / 35,613.70-49,149.44-19,697.80

Finding the Fourth Proportional to 35,613.70, 49,149.44 and 19,697.80

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Solution

The fourth proportional to 35,613.70, 49,149.44 and 19,697.80 is: 27,184.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,613.70 : 49,149.44 = 19,697.80 : x
  2. Step 2: Convert to fraction form
    35,613.70/49,149.44 = 19,697.80/x
  3. Step 3: Cross multiply
    35,613.70x = 49,149.44 × 19,697.80
  4. Step 4: Simplify right side
    35,613.70x = 968,135,839.23
  5. Step 5: Solve for x
    x = 968,135,839.23/35,613.70
  6. Step 6: Final answer
    x = 27,184.37

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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.