Home / 30,161.51-41,618.20-17,240.60

Finding the Fourth Proportional to 30,161.51, 41,618.20 and 17,240.60

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Solution

The fourth proportional to 30,161.51, 41,618.20 and 17,240.60 is: 23,789.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,161.51 : 41,618.20 = 17,240.60 : x
  2. Step 2: Convert to fraction form
    30,161.51/41,618.20 = 17,240.60/x
  3. Step 3: Cross multiply
    30,161.51x = 41,618.20 × 17,240.60
  4. Step 4: Simplify right side
    30,161.51x = 717,522,444.63
  5. Step 5: Solve for x
    x = 717,522,444.63/30,161.51
  6. Step 6: Final answer
    x = 23,789.34

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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.