Home / 33,861.21-46,728.86-18,754.13

Finding the Fourth Proportional to 33,861.21, 46,728.86 and 18,754.13

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Solution

The fourth proportional to 33,861.21, 46,728.86 and 18,754.13 is: 25,880.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,861.21 : 46,728.86 = 18,754.13 : x
  2. Step 2: Convert to fraction form
    33,861.21/46,728.86 = 18,754.13/x
  3. Step 3: Cross multiply
    33,861.21x = 46,728.86 × 18,754.13
  4. Step 4: Simplify right side
    33,861.21x = 876,358,787.78
  5. Step 5: Solve for x
    x = 876,358,787.78/33,861.21
  6. Step 6: Final answer
    x = 25,880.91

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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.