Home / 51,585.26-71,174.70-30,360.42

Finding the Fourth Proportional to 51,585.26, 71,174.70 and 30,360.42

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Solution

The fourth proportional to 51,585.26, 71,174.70 and 30,360.42 is: 41,889.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,585.26 : 71,174.70 = 30,360.42 : x
  2. Step 2: Convert to fraction form
    51,585.26/71,174.70 = 30,360.42/x
  3. Step 3: Cross multiply
    51,585.26x = 71,174.70 × 30,360.42
  4. Step 4: Simplify right side
    51,585.26x = 2,160,893,785.37
  5. Step 5: Solve for x
    x = 2,160,893,785.37/51,585.26
  6. Step 6: Final answer
    x = 41,889.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.