Home / 38,939.56-53,736.56-21,034.57

Finding the Fourth Proportional to 38,939.56, 53,736.56 and 21,034.57

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Solution

The fourth proportional to 38,939.56, 53,736.56 and 21,034.57 is: 29,027.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,939.56 : 53,736.56 = 21,034.57 : x
  2. Step 2: Convert to fraction form
    38,939.56/53,736.56 = 21,034.57/x
  3. Step 3: Cross multiply
    38,939.56x = 53,736.56 × 21,034.57
  4. Step 4: Simplify right side
    38,939.56x = 1,130,325,059.02
  5. Step 5: Solve for x
    x = 1,130,325,059.02/38,939.56
  6. Step 6: Final answer
    x = 29,027.68

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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.