Home / 40,101.68-55,342.89-23,105.61

Finding the Fourth Proportional to 40,101.68, 55,342.89 and 23,105.61

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Solution

The fourth proportional to 40,101.68, 55,342.89 and 23,105.61 is: 31,887.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,101.68 : 55,342.89 = 23,105.61 : x
  2. Step 2: Convert to fraction form
    40,101.68/55,342.89 = 23,105.61/x
  3. Step 3: Cross multiply
    40,101.68x = 55,342.89 × 23,105.61
  4. Step 4: Simplify right side
    40,101.68x = 1,278,731,232.61
  5. Step 5: Solve for x
    x = 1,278,731,232.61/40,101.68
  6. Step 6: Final answer
    x = 31,887.23

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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.