Home / 30,597.96-42,227.28-17,170.32

Finding the Fourth Proportional to 30,597.96, 42,227.28 and 17,170.32

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Solution

The fourth proportional to 30,597.96, 42,227.28 and 17,170.32 is: 23,696.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,597.96 : 42,227.28 = 17,170.32 : x
  2. Step 2: Convert to fraction form
    30,597.96/42,227.28 = 17,170.32/x
  3. Step 3: Cross multiply
    30,597.96x = 42,227.28 × 17,170.32
  4. Step 4: Simplify right side
    30,597.96x = 725,055,910.33
  5. Step 5: Solve for x
    x = 725,055,910.33/30,597.96
  6. Step 6: Final answer
    x = 23,696.22

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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.