Home / 31,606.72-43,625.96-19,662.93

Finding the Fourth Proportional to 31,606.72, 43,625.96 and 19,662.93

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Solution

The fourth proportional to 31,606.72, 43,625.96 and 19,662.93 is: 27,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,606.72 : 43,625.96 = 19,662.93 : x
  2. Step 2: Convert to fraction form
    31,606.72/43,625.96 = 19,662.93/x
  3. Step 3: Cross multiply
    31,606.72x = 43,625.96 × 19,662.93
  4. Step 4: Simplify right side
    31,606.72x = 857,814,173.08
  5. Step 5: Solve for x
    x = 857,814,173.08/31,606.72
  6. Step 6: Final answer
    x = 27,140.25

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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.