Home / 31,794.50-43,880.46-19,219.26

Finding the Fourth Proportional to 31,794.50, 43,880.46 and 19,219.26

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Solution

The fourth proportional to 31,794.50, 43,880.46 and 19,219.26 is: 26,525.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,794.50 : 43,880.46 = 19,219.26 : x
  2. Step 2: Convert to fraction form
    31,794.50/43,880.46 = 19,219.26/x
  3. Step 3: Cross multiply
    31,794.50x = 43,880.46 × 19,219.26
  4. Step 4: Simplify right side
    31,794.50x = 843,349,969.66
  5. Step 5: Solve for x
    x = 843,349,969.66/31,794.50
  6. Step 6: Final answer
    x = 26,525.03

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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.