Home / 30,239.88-41,716.50-19,632.84

Finding the Fourth Proportional to 30,239.88, 41,716.50 and 19,632.84

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Solution

The fourth proportional to 30,239.88, 41,716.50 and 19,632.84 is: 27,083.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,239.88 : 41,716.50 = 19,632.84 : x
  2. Step 2: Convert to fraction form
    30,239.88/41,716.50 = 19,632.84/x
  3. Step 3: Cross multiply
    30,239.88x = 41,716.50 × 19,632.84
  4. Step 4: Simplify right side
    30,239.88x = 819,013,369.86
  5. Step 5: Solve for x
    x = 819,013,369.86/30,239.88
  6. Step 6: Final answer
    x = 27,083.88

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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.