Home / 57,016.67-85,528.51-21,956.36

Finding the Fourth Proportional to 57,016.67, 85,528.51 and 21,956.36

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Solution

The fourth proportional to 57,016.67, 85,528.51 and 21,956.36 is: 32,935.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,016.67 : 85,528.51 = 21,956.36 : x
  2. Step 2: Convert to fraction form
    57,016.67/85,528.51 = 21,956.36/x
  3. Step 3: Cross multiply
    57,016.67x = 85,528.51 × 21,956.36
  4. Step 4: Simplify right side
    57,016.67x = 1,877,894,273.29
  5. Step 5: Solve for x
    x = 1,877,894,273.29/57,016.67
  6. Step 6: Final answer
    x = 32,935.88

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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.