Home / 38,939.33-53,736.25-21,034.34

Finding the Fourth Proportional to 38,939.33, 53,736.25 and 21,034.34

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Solution

The fourth proportional to 38,939.33, 53,736.25 and 21,034.34 is: 29,027.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,939.33 : 53,736.25 = 21,034.34 : x
  2. Step 2: Convert to fraction form
    38,939.33/53,736.25 = 21,034.34/x
  3. Step 3: Cross multiply
    38,939.33x = 53,736.25 × 21,034.34
  4. Step 4: Simplify right side
    38,939.33x = 1,130,306,271.00
  5. Step 5: Solve for x
    x = 1,130,306,271.00/38,939.33
  6. Step 6: Final answer
    x = 29,027.36

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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.