Home / 51,858.55-77,770.50-20,260.41

Finding the Fourth Proportional to 51,858.55, 77,770.50 and 20,260.41

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Solution

The fourth proportional to 51,858.55, 77,770.50 and 20,260.41 is: 30,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,858.55 : 77,770.50 = 20,260.41 : x
  2. Step 2: Convert to fraction form
    51,858.55/77,770.50 = 20,260.41/x
  3. Step 3: Cross multiply
    51,858.55x = 77,770.50 × 20,260.41
  4. Step 4: Simplify right side
    51,858.55x = 1,575,662,285.75
  5. Step 5: Solve for x
    x = 1,575,662,285.75/51,858.55
  6. Step 6: Final answer
    x = 30,383.85

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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.