Home / 34,811.90-48,040.26-18,896.21

Finding the Fourth Proportional to 34,811.90, 48,040.26 and 18,896.21

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Solution

The fourth proportional to 34,811.90, 48,040.26 and 18,896.21 is: 26,076.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,811.90 : 48,040.26 = 18,896.21 : x
  2. Step 2: Convert to fraction form
    34,811.90/48,040.26 = 18,896.21/x
  3. Step 3: Cross multiply
    34,811.90x = 48,040.26 × 18,896.21
  4. Step 4: Simplify right side
    34,811.90x = 907,778,841.41
  5. Step 5: Solve for x
    x = 907,778,841.41/34,811.90
  6. Step 6: Final answer
    x = 26,076.68

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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.