Home / 31,832.39-43,916.78-19,727.35

Finding the Fourth Proportional to 31,832.39, 43,916.78 and 19,727.35

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Solution

The fourth proportional to 31,832.39, 43,916.78 and 19,727.35 is: 27,216.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,832.39 : 43,916.78 = 19,727.35 : x
  2. Step 2: Convert to fraction form
    31,832.39/43,916.78 = 19,727.35/x
  3. Step 3: Cross multiply
    31,832.39x = 43,916.78 × 19,727.35
  4. Step 4: Simplify right side
    31,832.39x = 866,361,629.46
  5. Step 5: Solve for x
    x = 866,361,629.46/31,832.39
  6. Step 6: Final answer
    x = 27,216.35

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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.