Home / 51,391.54-77,094.60-15,855.82

Finding the Fourth Proportional to 51,391.54, 77,094.60 and 15,855.82

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Solution

The fourth proportional to 51,391.54, 77,094.60 and 15,855.82 is: 23,785.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,391.54 : 77,094.60 = 15,855.82 : x
  2. Step 2: Convert to fraction form
    51,391.54/77,094.60 = 15,855.82/x
  3. Step 3: Cross multiply
    51,391.54x = 77,094.60 × 15,855.82
  4. Step 4: Simplify right side
    51,391.54x = 1,222,398,100.57
  5. Step 5: Solve for x
    x = 1,222,398,100.57/51,391.54
  6. Step 6: Final answer
    x = 23,785.98

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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.