Home / 34,838.09-48,076.70-18,922.80

Finding the Fourth Proportional to 34,838.09, 48,076.70 and 18,922.80

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Solution

The fourth proportional to 34,838.09, 48,076.70 and 18,922.80 is: 26,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,838.09 : 48,076.70 = 18,922.80 : x
  2. Step 2: Convert to fraction form
    34,838.09/48,076.70 = 18,922.80/x
  3. Step 3: Cross multiply
    34,838.09x = 48,076.70 × 18,922.80
  4. Step 4: Simplify right side
    34,838.09x = 909,745,684.15
  5. Step 5: Solve for x
    x = 909,745,684.15/34,838.09
  6. Step 6: Final answer
    x = 26,113.54

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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.