Home / 51,543.41-71,128.67-30,324.02

Finding the Fourth Proportional to 51,543.41, 71,128.67 and 30,324.02

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Solution

The fourth proportional to 51,543.41, 71,128.67 and 30,324.02 is: 41,846.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,543.41 : 71,128.67 = 30,324.02 : x
  2. Step 2: Convert to fraction form
    51,543.41/71,128.67 = 30,324.02/x
  3. Step 3: Cross multiply
    51,543.41x = 71,128.67 × 30,324.02
  4. Step 4: Simplify right side
    51,543.41x = 2,156,906,704.39
  5. Step 5: Solve for x
    x = 2,156,906,704.39/51,543.41
  6. Step 6: Final answer
    x = 41,846.41

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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.