Home / 35,736.24-49,311.78-19,816.80

Finding the Fourth Proportional to 35,736.24, 49,311.78 and 19,816.80

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Solution

The fourth proportional to 35,736.24, 49,311.78 and 19,816.80 is: 27,344.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,736.24 : 49,311.78 = 19,816.80 : x
  2. Step 2: Convert to fraction form
    35,736.24/49,311.78 = 19,816.80/x
  3. Step 3: Cross multiply
    35,736.24x = 49,311.78 × 19,816.80
  4. Step 4: Simplify right side
    35,736.24x = 977,201,681.90
  5. Step 5: Solve for x
    x = 977,201,681.90/35,736.24
  6. Step 6: Final answer
    x = 27,344.84

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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.