Home / 34,268.60-51,455.70-18,716.60

Finding the Fourth Proportional to 34,268.60, 51,455.70 and 18,716.60

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Solution

The fourth proportional to 34,268.60, 51,455.70 and 18,716.60 is: 28,103.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,268.60 : 51,455.70 = 18,716.60 : x
  2. Step 2: Convert to fraction form
    34,268.60/51,455.70 = 18,716.60/x
  3. Step 3: Cross multiply
    34,268.60x = 51,455.70 × 18,716.60
  4. Step 4: Simplify right side
    34,268.60x = 963,075,754.62
  5. Step 5: Solve for x
    x = 963,075,754.62/34,268.60
  6. Step 6: Final answer
    x = 28,103.74

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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.