Home / 31,784.91-43,858.31-19,035.11

Finding the Fourth Proportional to 31,784.91, 43,858.31 and 19,035.11

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Solution

The fourth proportional to 31,784.91, 43,858.31 and 19,035.11 is: 26,265.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,784.91 : 43,858.31 = 19,035.11 : x
  2. Step 2: Convert to fraction form
    31,784.91/43,858.31 = 19,035.11/x
  3. Step 3: Cross multiply
    31,784.91x = 43,858.31 × 19,035.11
  4. Step 4: Simplify right side
    31,784.91x = 834,847,440.80
  5. Step 5: Solve for x
    x = 834,847,440.80/31,784.91
  6. Step 6: Final answer
    x = 26,265.53

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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.