Home / 39,062.56-53,905.69-21,157.41

Finding the Fourth Proportional to 39,062.56, 53,905.69 and 21,157.41

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Solution

The fourth proportional to 39,062.56, 53,905.69 and 21,157.41 is: 29,196.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,062.56 : 53,905.69 = 21,157.41 : x
  2. Step 2: Convert to fraction form
    39,062.56/53,905.69 = 21,157.41/x
  3. Step 3: Cross multiply
    39,062.56x = 53,905.69 × 21,157.41
  4. Step 4: Simplify right side
    39,062.56x = 1,140,504,710.04
  5. Step 5: Solve for x
    x = 1,140,504,710.04/39,062.56
  6. Step 6: Final answer
    x = 29,196.88

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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.