Home / 30,173.97-41,642.69-16,747.82

Finding the Fourth Proportional to 30,173.97, 41,642.69 and 16,747.82

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Solution

The fourth proportional to 30,173.97, 41,642.69 and 16,747.82 is: 23,113.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.97 : 41,642.69 = 16,747.82 : x
  2. Step 2: Convert to fraction form
    30,173.97/41,642.69 = 16,747.82/x
  3. Step 3: Cross multiply
    30,173.97x = 41,642.69 × 16,747.82
  4. Step 4: Simplify right side
    30,173.97x = 697,423,984.48
  5. Step 5: Solve for x
    x = 697,423,984.48/30,173.97
  6. Step 6: Final answer
    x = 23,113.43

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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.