Home / 31,977.54-44,120.46-30,716.37

Finding the Fourth Proportional to 31,977.54, 44,120.46 and 30,716.37

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Solution

The fourth proportional to 31,977.54, 44,120.46 and 30,716.37 is: 42,380.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,977.54 : 44,120.46 = 30,716.37 : x
  2. Step 2: Convert to fraction form
    31,977.54/44,120.46 = 30,716.37/x
  3. Step 3: Cross multiply
    31,977.54x = 44,120.46 × 30,716.37
  4. Step 4: Simplify right side
    31,977.54x = 1,355,220,489.12
  5. Step 5: Solve for x
    x = 1,355,220,489.12/31,977.54
  6. Step 6: Final answer
    x = 42,380.39

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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.