Home / 29,108.70-43,662.78-8,332.20

Finding the Fourth Proportional to 29,108.70, 43,662.78 and 8,332.20

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Solution

The fourth proportional to 29,108.70, 43,662.78 and 8,332.20 is: 12,498.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,108.70 : 43,662.78 = 8,332.20 : x
  2. Step 2: Convert to fraction form
    29,108.70/43,662.78 = 8,332.20/x
  3. Step 3: Cross multiply
    29,108.70x = 43,662.78 × 8,332.20
  4. Step 4: Simplify right side
    29,108.70x = 363,807,015.52
  5. Step 5: Solve for x
    x = 363,807,015.52/29,108.70
  6. Step 6: Final answer
    x = 12,498.22

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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.