Home / 35,604.36-49,131.90-19,687.86

Finding the Fourth Proportional to 35,604.36, 49,131.90 and 19,687.86

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Solution

The fourth proportional to 35,604.36, 49,131.90 and 19,687.86 is: 27,168.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,604.36 : 49,131.90 = 19,687.86 : x
  2. Step 2: Convert to fraction form
    35,604.36/49,131.90 = 19,687.86/x
  3. Step 3: Cross multiply
    35,604.36x = 49,131.90 × 19,687.86
  4. Step 4: Simplify right side
    35,604.36x = 967,301,968.73
  5. Step 5: Solve for x
    x = 967,301,968.73/35,604.36
  6. Step 6: Final answer
    x = 27,168.08

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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.