Home / 30,173.91-41,642.36-16,747.75

Finding the Fourth Proportional to 30,173.91, 41,642.36 and 16,747.75

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Solution

The fourth proportional to 30,173.91, 41,642.36 and 16,747.75 is: 23,113.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,173.91 : 41,642.36 = 16,747.75 : x
  2. Step 2: Convert to fraction form
    30,173.91/41,642.36 = 16,747.75/x
  3. Step 3: Cross multiply
    30,173.91x = 41,642.36 × 16,747.75
  4. Step 4: Simplify right side
    30,173.91x = 697,415,834.69
  5. Step 5: Solve for x
    x = 697,415,834.69/30,173.91
  6. Step 6: Final answer
    x = 23,113.21

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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.