Home / 30,008.58-41,411.16-16,579.86

Finding the Fourth Proportional to 30,008.58, 41,411.16 and 16,579.86

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Solution

The fourth proportional to 30,008.58, 41,411.16 and 16,579.86 is: 22,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,008.58 : 41,411.16 = 16,579.86 : x
  2. Step 2: Convert to fraction form
    30,008.58/41,411.16 = 16,579.86/x
  3. Step 3: Cross multiply
    30,008.58x = 41,411.16 × 16,579.86
  4. Step 4: Simplify right side
    30,008.58x = 686,591,235.24
  5. Step 5: Solve for x
    x = 686,591,235.24/30,008.58
  6. Step 6: Final answer
    x = 22,879.83

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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.