Home / 39,999.84-55,203.08-23,009.60

Finding the Fourth Proportional to 39,999.84, 55,203.08 and 23,009.60

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Solution

The fourth proportional to 39,999.84, 55,203.08 and 23,009.60 is: 31,755.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,999.84 : 55,203.08 = 23,009.60 : x
  2. Step 2: Convert to fraction form
    39,999.84/55,203.08 = 23,009.60/x
  3. Step 3: Cross multiply
    39,999.84x = 55,203.08 × 23,009.60
  4. Step 4: Simplify right side
    39,999.84x = 1,270,200,789.57
  5. Step 5: Solve for x
    x = 1,270,200,789.57/39,999.84
  6. Step 6: Final answer
    x = 31,755.15

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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.