Home / 30,223.62-45,310.55-13,344.63

Finding the Fourth Proportional to 30,223.62, 45,310.55 and 13,344.63

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Solution

The fourth proportional to 30,223.62, 45,310.55 and 13,344.63 is: 20,005.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,223.62 : 45,310.55 = 13,344.63 : x
  2. Step 2: Convert to fraction form
    30,223.62/45,310.55 = 13,344.63/x
  3. Step 3: Cross multiply
    30,223.62x = 45,310.55 × 13,344.63
  4. Step 4: Simplify right side
    30,223.62x = 604,652,458.12
  5. Step 5: Solve for x
    x = 604,652,458.12/30,223.62
  6. Step 6: Final answer
    x = 20,005.96

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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.