Home / 34,718.60-47,911.70-19,611.30

Finding the Fourth Proportional to 34,718.60, 47,911.70 and 19,611.30

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Solution

The fourth proportional to 34,718.60, 47,911.70 and 19,611.30 is: 27,063.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,718.60 : 47,911.70 = 19,611.30 : x
  2. Step 2: Convert to fraction form
    34,718.60/47,911.70 = 19,611.30/x
  3. Step 3: Cross multiply
    34,718.60x = 47,911.70 × 19,611.30
  4. Step 4: Simplify right side
    34,718.60x = 939,610,722.21
  5. Step 5: Solve for x
    x = 939,610,722.21/34,718.60
  6. Step 6: Final answer
    x = 27,063.61

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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.