Home / 39,999.96-55,203.26-23,009.81

Finding the Fourth Proportional to 39,999.96, 55,203.26 and 23,009.81

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Solution

The fourth proportional to 39,999.96, 55,203.26 and 23,009.81 is: 31,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,999.96 : 55,203.26 = 23,009.81 : x
  2. Step 2: Convert to fraction form
    39,999.96/55,203.26 = 23,009.81/x
  3. Step 3: Cross multiply
    39,999.96x = 55,203.26 × 23,009.81
  4. Step 4: Simplify right side
    39,999.96x = 1,270,216,132.92
  5. Step 5: Solve for x
    x = 1,270,216,132.92/39,999.96
  6. Step 6: Final answer
    x = 31,755.44

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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.