Home / 34,738.53-47,947.04-19,639.92

Finding the Fourth Proportional to 34,738.53, 47,947.04 and 19,639.92

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Solution

The fourth proportional to 34,738.53, 47,947.04 and 19,639.92 is: 27,107.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,738.53 : 47,947.04 = 19,639.92 : x
  2. Step 2: Convert to fraction form
    34,738.53/47,947.04 = 19,639.92/x
  3. Step 3: Cross multiply
    34,738.53x = 47,947.04 × 19,639.92
  4. Step 4: Simplify right side
    34,738.53x = 941,676,029.84
  5. Step 5: Solve for x
    x = 941,676,029.84/34,738.53
  6. Step 6: Final answer
    x = 27,107.54

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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.