Home / 57,021-85,485.36-23,766.12

Finding the Fourth Proportional to 57,021, 85,485.36 and 23,766.12

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Solution

The fourth proportional to 57,021, 85,485.36 and 23,766.12 is: 35,629.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,021 : 85,485.36 = 23,766.12 : x
  2. Step 2: Convert to fraction form
    57,021/85,485.36 = 23,766.12/x
  3. Step 3: Cross multiply
    57,021x = 85,485.36 × 23,766.12
  4. Step 4: Simplify right side
    57,021x = 2,031,655,324.00
  5. Step 5: Solve for x
    x = 2,031,655,324.00/57,021
  6. Step 6: Final answer
    x = 35,629.95

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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.