Home / 31,868.44-43,976.04-17,720.08

Finding the Fourth Proportional to 31,868.44, 43,976.04 and 17,720.08

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Solution

The fourth proportional to 31,868.44, 43,976.04 and 17,720.08 is: 24,452.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,868.44 : 43,976.04 = 17,720.08 : x
  2. Step 2: Convert to fraction form
    31,868.44/43,976.04 = 17,720.08/x
  3. Step 3: Cross multiply
    31,868.44x = 43,976.04 × 17,720.08
  4. Step 4: Simplify right side
    31,868.44x = 779,258,946.88
  5. Step 5: Solve for x
    x = 779,258,946.88/31,868.44
  6. Step 6: Final answer
    x = 24,452.37

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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.