Home / 30,111.32-41,553.93-16,682.78

Finding the Fourth Proportional to 30,111.32, 41,553.93 and 16,682.78

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Solution

The fourth proportional to 30,111.32, 41,553.93 and 16,682.78 is: 23,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.32 : 41,553.93 = 16,682.78 : x
  2. Step 2: Convert to fraction form
    30,111.32/41,553.93 = 16,682.78/x
  3. Step 3: Cross multiply
    30,111.32x = 41,553.93 × 16,682.78
  4. Step 4: Simplify right side
    30,111.32x = 693,234,864.56
  5. Step 5: Solve for x
    x = 693,234,864.56/30,111.32
  6. Step 6: Final answer
    x = 23,022.40

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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.