Home / 40,105.58-55,346.99-23,108.46

Finding the Fourth Proportional to 40,105.58, 55,346.99 and 23,108.46

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Solution

The fourth proportional to 40,105.58, 55,346.99 and 23,108.46 is: 31,890.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,105.58 : 55,346.99 = 23,108.46 : x
  2. Step 2: Convert to fraction form
    40,105.58/55,346.99 = 23,108.46/x
  3. Step 3: Cross multiply
    40,105.58x = 55,346.99 × 23,108.46
  4. Step 4: Simplify right side
    40,105.58x = 1,278,983,588.99
  5. Step 5: Solve for x
    x = 1,278,983,588.99/40,105.58
  6. Step 6: Final answer
    x = 31,890.42

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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.