Home / 31,106.80-46,757.40-30,523.60

Finding the Fourth Proportional to 31,106.80, 46,757.40 and 30,523.60

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Solution

The fourth proportional to 31,106.80, 46,757.40 and 30,523.60 is: 45,880.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,106.80 : 46,757.40 = 30,523.60 : x
  2. Step 2: Convert to fraction form
    31,106.80/46,757.40 = 30,523.60/x
  3. Step 3: Cross multiply
    31,106.80x = 46,757.40 × 30,523.60
  4. Step 4: Simplify right side
    31,106.80x = 1,427,204,174.64
  5. Step 5: Solve for x
    x = 1,427,204,174.64/31,106.80
  6. Step 6: Final answer
    x = 45,880.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.