Home / 38,616.56-57,885.14-21,940.96

Finding the Fourth Proportional to 38,616.56, 57,885.14 and 21,940.96

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Solution

The fourth proportional to 38,616.56, 57,885.14 and 21,940.96 is: 32,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,616.56 : 57,885.14 = 21,940.96 : x
  2. Step 2: Convert to fraction form
    38,616.56/57,885.14 = 21,940.96/x
  3. Step 3: Cross multiply
    38,616.56x = 57,885.14 × 21,940.96
  4. Step 4: Simplify right side
    38,616.56x = 1,270,055,541.33
  5. Step 5: Solve for x
    x = 1,270,055,541.33/38,616.56
  6. Step 6: Final answer
    x = 32,888.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.