Home / 50,415.40-75,626.78-17,121.96

Finding the Fourth Proportional to 50,415.40, 75,626.78 and 17,121.96

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Solution

The fourth proportional to 50,415.40, 75,626.78 and 17,121.96 is: 25,684.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,415.40 : 75,626.78 = 17,121.96 : x
  2. Step 2: Convert to fraction form
    50,415.40/75,626.78 = 17,121.96/x
  3. Step 3: Cross multiply
    50,415.40x = 75,626.78 × 17,121.96
  4. Step 4: Simplify right side
    50,415.40x = 1,294,878,702.09
  5. Step 5: Solve for x
    x = 1,294,878,702.09/50,415.40
  6. Step 6: Final answer
    x = 25,684.19

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1.5x scale

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.