Home / 35,658.12-49,208.94-19,743.78

Finding the Fourth Proportional to 35,658.12, 49,208.94 and 19,743.78

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Solution

The fourth proportional to 35,658.12, 49,208.94 and 19,743.78 is: 27,246.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,658.12 : 49,208.94 = 19,743.78 : x
  2. Step 2: Convert to fraction form
    35,658.12/49,208.94 = 19,743.78/x
  3. Step 3: Cross multiply
    35,658.12x = 49,208.94 × 19,743.78
  4. Step 4: Simplify right side
    35,658.12x = 971,570,485.39
  5. Step 5: Solve for x
    x = 971,570,485.39/35,658.12
  6. Step 6: Final answer
    x = 27,246.82

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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.