Home / 34,611.33-47,763.65-18,695.78

Finding the Fourth Proportional to 34,611.33, 47,763.65 and 18,695.78

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Solution

The fourth proportional to 34,611.33, 47,763.65 and 18,695.78 is: 25,800.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,611.33 : 47,763.65 = 18,695.78 : x
  2. Step 2: Convert to fraction form
    34,611.33/47,763.65 = 18,695.78/x
  3. Step 3: Cross multiply
    34,611.33x = 47,763.65 × 18,695.78
  4. Step 4: Simplify right side
    34,611.33x = 892,978,612.26
  5. Step 5: Solve for x
    x = 892,978,612.26/34,611.33
  6. Step 6: Final answer
    x = 25,800.18

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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.