Home / 39,112.36-53,973.60-23,187.28

Finding the Fourth Proportional to 39,112.36, 53,973.60 and 23,187.28

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Solution

The fourth proportional to 39,112.36, 53,973.60 and 23,187.28 is: 31,997.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,112.36 : 53,973.60 = 23,187.28 : x
  2. Step 2: Convert to fraction form
    39,112.36/53,973.60 = 23,187.28/x
  3. Step 3: Cross multiply
    39,112.36x = 53,973.60 × 23,187.28
  4. Step 4: Simplify right side
    39,112.36x = 1,251,500,975.81
  5. Step 5: Solve for x
    x = 1,251,500,975.81/39,112.36
  6. Step 6: Final answer
    x = 31,997.58

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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.