Home / 57,749.80-86,617.38-18,307.24

Finding the Fourth Proportional to 57,749.80, 86,617.38 and 18,307.24

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Solution

The fourth proportional to 57,749.80, 86,617.38 and 18,307.24 is: 27,458.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,749.80 : 86,617.38 = 18,307.24 : x
  2. Step 2: Convert to fraction form
    57,749.80/86,617.38 = 18,307.24/x
  3. Step 3: Cross multiply
    57,749.80x = 86,617.38 × 18,307.24
  4. Step 4: Simplify right side
    57,749.80x = 1,585,725,163.83
  5. Step 5: Solve for x
    x = 1,585,725,163.83/57,749.80
  6. Step 6: Final answer
    x = 27,458.54

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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.