Home / 34,151.85-51,224.90-19,314.09

Finding the Fourth Proportional to 34,151.85, 51,224.90 and 19,314.09

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Solution

The fourth proportional to 34,151.85, 51,224.90 and 19,314.09 is: 28,969.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,151.85 : 51,224.90 = 19,314.09 : x
  2. Step 2: Convert to fraction form
    34,151.85/51,224.90 = 19,314.09/x
  3. Step 3: Cross multiply
    34,151.85x = 51,224.90 × 19,314.09
  4. Step 4: Simplify right side
    34,151.85x = 989,362,232.27
  5. Step 5: Solve for x
    x = 989,362,232.27/34,151.85
  6. Step 6: Final answer
    x = 28,969.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.