Home / 39,992.66-55,190.31-23,005.34

Finding the Fourth Proportional to 39,992.66, 55,190.31 and 23,005.34

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Solution

The fourth proportional to 39,992.66, 55,190.31 and 23,005.34 is: 31,747.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,992.66 : 55,190.31 = 23,005.34 : x
  2. Step 2: Convert to fraction form
    39,992.66/55,190.31 = 23,005.34/x
  3. Step 3: Cross multiply
    39,992.66x = 55,190.31 × 23,005.34
  4. Step 4: Simplify right side
    39,992.66x = 1,269,671,846.26
  5. Step 5: Solve for x
    x = 1,269,671,846.26/39,992.66
  6. Step 6: Final answer
    x = 31,747.62

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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.