Home / 30,121.22-45,197.33-14,344.14

Finding the Fourth Proportional to 30,121.22, 45,197.33 and 14,344.14

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Solution

The fourth proportional to 30,121.22, 45,197.33 and 14,344.14 is: 21,523.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,121.22 : 45,197.33 = 14,344.14 : x
  2. Step 2: Convert to fraction form
    30,121.22/45,197.33 = 14,344.14/x
  3. Step 3: Cross multiply
    30,121.22x = 45,197.33 × 14,344.14
  4. Step 4: Simplify right side
    30,121.22x = 648,316,926.92
  5. Step 5: Solve for x
    x = 648,316,926.92/30,121.22
  6. Step 6: Final answer
    x = 21,523.59

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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.