Home / 57,145.31-85,731.64-23,846.84

Finding the Fourth Proportional to 57,145.31, 85,731.64 and 23,846.84

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Solution

The fourth proportional to 57,145.31, 85,731.64 and 23,846.84 is: 35,775.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,145.31 : 85,731.64 = 23,846.84 : x
  2. Step 2: Convert to fraction form
    57,145.31/85,731.64 = 23,846.84/x
  3. Step 3: Cross multiply
    57,145.31x = 85,731.64 × 23,846.84
  4. Step 4: Simplify right side
    57,145.31x = 2,044,428,856.73
  5. Step 5: Solve for x
    x = 2,044,428,856.73/57,145.31
  6. Step 6: Final answer
    x = 35,775.97

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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.