Home / 35,601.09-49,126.20-19,685.20

Finding the Fourth Proportional to 35,601.09, 49,126.20 and 19,685.20

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Solution

The fourth proportional to 35,601.09, 49,126.20 and 19,685.20 is: 27,163.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,601.09 : 49,126.20 = 19,685.20 : x
  2. Step 2: Convert to fraction form
    35,601.09/49,126.20 = 19,685.20/x
  3. Step 3: Cross multiply
    35,601.09x = 49,126.20 × 19,685.20
  4. Step 4: Simplify right side
    35,601.09x = 967,059,072.24
  5. Step 5: Solve for x
    x = 967,059,072.24/35,601.09
  6. Step 6: Final answer
    x = 27,163.75

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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.