Home / 30,276.25-41,761.78-19,534.84

Finding the Fourth Proportional to 30,276.25, 41,761.78 and 19,534.84

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Solution

The fourth proportional to 30,276.25, 41,761.78 and 19,534.84 is: 26,945.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,276.25 : 41,761.78 = 19,534.84 : x
  2. Step 2: Convert to fraction form
    30,276.25/41,761.78 = 19,534.84/x
  3. Step 3: Cross multiply
    30,276.25x = 41,761.78 × 19,534.84
  4. Step 4: Simplify right side
    30,276.25x = 815,809,537.17
  5. Step 5: Solve for x
    x = 815,809,537.17/30,276.25
  6. Step 6: Final answer
    x = 26,945.53

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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.