Home / 31,195.79-43,037.97-19,238.37

Finding the Fourth Proportional to 31,195.79, 43,037.97 and 19,238.37

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Solution

The fourth proportional to 31,195.79, 43,037.97 and 19,238.37 is: 26,541.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,195.79 : 43,037.97 = 19,238.37 : x
  2. Step 2: Convert to fraction form
    31,195.79/43,037.97 = 19,238.37/x
  3. Step 3: Cross multiply
    31,195.79x = 43,037.97 × 19,238.37
  4. Step 4: Simplify right side
    31,195.79x = 827,980,390.91
  5. Step 5: Solve for x
    x = 827,980,390.91/31,195.79
  6. Step 6: Final answer
    x = 26,541.41

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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.