Home / 30,321.27-41,844.65-16,892.51

Finding the Fourth Proportional to 30,321.27, 41,844.65 and 16,892.51

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Solution

The fourth proportional to 30,321.27, 41,844.65 and 16,892.51 is: 23,312.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,321.27 : 41,844.65 = 16,892.51 : x
  2. Step 2: Convert to fraction form
    30,321.27/41,844.65 = 16,892.51/x
  3. Step 3: Cross multiply
    30,321.27x = 41,844.65 × 16,892.51
  4. Step 4: Simplify right side
    30,321.27x = 706,860,874.89
  5. Step 5: Solve for x
    x = 706,860,874.89/30,321.27
  6. Step 6: Final answer
    x = 23,312.38

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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.