Home / 39,112.56-53,965.08-23,200.56

Finding the Fourth Proportional to 39,112.56, 53,965.08 and 23,200.56

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Solution

The fourth proportional to 39,112.56, 53,965.08 and 23,200.56 is: 32,010.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,112.56 : 53,965.08 = 23,200.56 : x
  2. Step 2: Convert to fraction form
    39,112.56/53,965.08 = 23,200.56/x
  3. Step 3: Cross multiply
    39,112.56x = 53,965.08 × 23,200.56
  4. Step 4: Simplify right side
    39,112.56x = 1,252,020,076.44
  5. Step 5: Solve for x
    x = 1,252,020,076.44/39,112.56
  6. Step 6: Final answer
    x = 32,010.69

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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.