Home / 30,321.72-41,845.68-16,892.46

Finding the Fourth Proportional to 30,321.72, 41,845.68 and 16,892.46

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Solution

The fourth proportional to 30,321.72, 41,845.68 and 16,892.46 is: 23,312.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,321.72 : 41,845.68 = 16,892.46 : x
  2. Step 2: Convert to fraction form
    30,321.72/41,845.68 = 16,892.46/x
  3. Step 3: Cross multiply
    30,321.72x = 41,845.68 × 16,892.46
  4. Step 4: Simplify right side
    30,321.72x = 706,876,475.57
  5. Step 5: Solve for x
    x = 706,876,475.57/30,321.72
  6. Step 6: Final answer
    x = 23,312.55

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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.