Home / 30,217.75-45,326.62-9,441.25

Finding the Fourth Proportional to 30,217.75, 45,326.62 and 9,441.25

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Solution

The fourth proportional to 30,217.75, 45,326.62 and 9,441.25 is: 14,161.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,217.75 : 45,326.62 = 9,441.25 : x
  2. Step 2: Convert to fraction form
    30,217.75/45,326.62 = 9,441.25/x
  3. Step 3: Cross multiply
    30,217.75x = 45,326.62 × 9,441.25
  4. Step 4: Simplify right side
    30,217.75x = 427,939,977.04
  5. Step 5: Solve for x
    x = 427,939,977.04/30,217.75
  6. Step 6: Final answer
    x = 14,161.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.