Home / 31,772.91-43,847.78-19,195.23

Finding the Fourth Proportional to 31,772.91, 43,847.78 and 19,195.23

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Solution

The fourth proportional to 31,772.91, 43,847.78 and 19,195.23 is: 26,490.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,772.91 : 43,847.78 = 19,195.23 : x
  2. Step 2: Convert to fraction form
    31,772.91/43,847.78 = 19,195.23/x
  3. Step 3: Cross multiply
    31,772.91x = 43,847.78 × 19,195.23
  4. Step 4: Simplify right side
    31,772.91x = 841,668,222.09
  5. Step 5: Solve for x
    x = 841,668,222.09/31,772.91
  6. Step 6: Final answer
    x = 26,490.12

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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.