Home / 30,015.78-41,424.98-17,269.52

Finding the Fourth Proportional to 30,015.78, 41,424.98 and 17,269.52

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Solution

The fourth proportional to 30,015.78, 41,424.98 and 17,269.52 is: 23,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,015.78 : 41,424.98 = 17,269.52 : x
  2. Step 2: Convert to fraction form
    30,015.78/41,424.98 = 17,269.52/x
  3. Step 3: Cross multiply
    30,015.78x = 41,424.98 × 17,269.52
  4. Step 4: Simplify right side
    30,015.78x = 715,389,512.00
  5. Step 5: Solve for x
    x = 715,389,512.00/30,015.78
  6. Step 6: Final answer
    x = 23,833.78

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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.