Home / 39,128.51-54,004.83-23,221.73

Finding the Fourth Proportional to 39,128.51, 54,004.83 and 23,221.73

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Solution

The fourth proportional to 39,128.51, 54,004.83 and 23,221.73 is: 32,050.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,128.51 : 54,004.83 = 23,221.73 : x
  2. Step 2: Convert to fraction form
    39,128.51/54,004.83 = 23,221.73/x
  3. Step 3: Cross multiply
    39,128.51x = 54,004.83 × 23,221.73
  4. Step 4: Simplify right side
    39,128.51x = 1,254,085,580.96
  5. Step 5: Solve for x
    x = 1,254,085,580.96/39,128.51
  6. Step 6: Final answer
    x = 32,050.43

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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.