Home / 35,642.80-49,188.18-19,726.24

Finding the Fourth Proportional to 35,642.80, 49,188.18 and 19,726.24

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Solution

The fourth proportional to 35,642.80, 49,188.18 and 19,726.24 is: 27,222.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,642.80 : 49,188.18 = 19,726.24 : x
  2. Step 2: Convert to fraction form
    35,642.80/49,188.18 = 19,726.24/x
  3. Step 3: Cross multiply
    35,642.80x = 49,188.18 × 19,726.24
  4. Step 4: Simplify right side
    35,642.80x = 970,297,843.84
  5. Step 5: Solve for x
    x = 970,297,843.84/35,642.80
  6. Step 6: Final answer
    x = 27,222.83

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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.