Home / 33,795.20-46,640.40-18,691.40

Finding the Fourth Proportional to 33,795.20, 46,640.40 and 18,691.40

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Solution

The fourth proportional to 33,795.20, 46,640.40 and 18,691.40 is: 25,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,795.20 : 46,640.40 = 18,691.40 : x
  2. Step 2: Convert to fraction form
    33,795.20/46,640.40 = 18,691.40/x
  3. Step 3: Cross multiply
    33,795.20x = 46,640.40 × 18,691.40
  4. Step 4: Simplify right side
    33,795.20x = 871,774,372.56
  5. Step 5: Solve for x
    x = 871,774,372.56/33,795.20
  6. Step 6: Final answer
    x = 25,795.80

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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.