Home / 30,360.40-41,895.54-16,932.54

Finding the Fourth Proportional to 30,360.40, 41,895.54 and 16,932.54

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Solution

The fourth proportional to 30,360.40, 41,895.54 and 16,932.54 is: 23,365.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,360.40 : 41,895.54 = 16,932.54 : x
  2. Step 2: Convert to fraction form
    30,360.40/41,895.54 = 16,932.54/x
  3. Step 3: Cross multiply
    30,360.40x = 41,895.54 × 16,932.54
  4. Step 4: Simplify right side
    30,360.40x = 709,397,906.87
  5. Step 5: Solve for x
    x = 709,397,906.87/30,360.40
  6. Step 6: Final answer
    x = 23,365.89

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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.