Home / 40,380.68-55,709.86-29,795.56

Finding the Fourth Proportional to 40,380.68, 55,709.86 and 29,795.56

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Solution

The fourth proportional to 40,380.68, 55,709.86 and 29,795.56 is: 41,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380.68 : 55,709.86 = 29,795.56 : x
  2. Step 2: Convert to fraction form
    40,380.68/55,709.86 = 29,795.56/x
  3. Step 3: Cross multiply
    40,380.68x = 55,709.86 × 29,795.56
  4. Step 4: Simplify right side
    40,380.68x = 1,659,906,476.22
  5. Step 5: Solve for x
    x = 1,659,906,476.22/40,380.68
  6. Step 6: Final answer
    x = 41,106.45

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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.