Home / 30,292.94-41,839.26-20,203.85

Finding the Fourth Proportional to 30,292.94, 41,839.26 and 20,203.85

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Solution

The fourth proportional to 30,292.94, 41,839.26 and 20,203.85 is: 27,904.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,292.94 : 41,839.26 = 20,203.85 : x
  2. Step 2: Convert to fraction form
    30,292.94/41,839.26 = 20,203.85/x
  3. Step 3: Cross multiply
    30,292.94x = 41,839.26 × 20,203.85
  4. Step 4: Simplify right side
    30,292.94x = 845,314,133.15
  5. Step 5: Solve for x
    x = 845,314,133.15/30,292.94
  6. Step 6: Final answer
    x = 27,904.66

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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.