Home / 51,576.16-71,161.78-30,351.44

Finding the Fourth Proportional to 51,576.16, 71,161.78 and 30,351.44

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Solution

The fourth proportional to 51,576.16, 71,161.78 and 30,351.44 is: 41,877.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,576.16 : 71,161.78 = 30,351.44 : x
  2. Step 2: Convert to fraction form
    51,576.16/71,161.78 = 30,351.44/x
  3. Step 3: Cross multiply
    51,576.16x = 71,161.78 × 30,351.44
  4. Step 4: Simplify right side
    51,576.16x = 2,159,862,495.96
  5. Step 5: Solve for x
    x = 2,159,862,495.96/51,576.16
  6. Step 6: Final answer
    x = 41,877.15

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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.