Home / 52,729.56-79,093.43-13,285.80

Finding the Fourth Proportional to 52,729.56, 79,093.43 and 13,285.80

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Solution

The fourth proportional to 52,729.56, 79,093.43 and 13,285.80 is: 19,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,729.56 : 79,093.43 = 13,285.80 : x
  2. Step 2: Convert to fraction form
    52,729.56/79,093.43 = 13,285.80/x
  3. Step 3: Cross multiply
    52,729.56x = 79,093.43 × 13,285.80
  4. Step 4: Simplify right side
    52,729.56x = 1,050,819,425.87
  5. Step 5: Solve for x
    x = 1,050,819,425.87/52,729.56
  6. Step 6: Final answer
    x = 19,928.47

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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.