Home / 31,965.21-44,112.18-18,544.46

Finding the Fourth Proportional to 31,965.21, 44,112.18 and 18,544.46

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Solution

The fourth proportional to 31,965.21, 44,112.18 and 18,544.46 is: 25,591.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,965.21 : 44,112.18 = 18,544.46 : x
  2. Step 2: Convert to fraction form
    31,965.21/44,112.18 = 18,544.46/x
  3. Step 3: Cross multiply
    31,965.21x = 44,112.18 × 18,544.46
  4. Step 4: Simplify right side
    31,965.21x = 818,036,336.96
  5. Step 5: Solve for x
    x = 818,036,336.96/31,965.21
  6. Step 6: Final answer
    x = 25,591.46

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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.