Home / 53,977.95-80,964.36-18,914.94

Finding the Fourth Proportional to 53,977.95, 80,964.36 and 18,914.94

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Solution

The fourth proportional to 53,977.95, 80,964.36 and 18,914.94 is: 28,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,977.95 : 80,964.36 = 18,914.94 : x
  2. Step 2: Convert to fraction form
    53,977.95/80,964.36 = 18,914.94/x
  3. Step 3: Cross multiply
    53,977.95x = 80,964.36 × 18,914.94
  4. Step 4: Simplify right side
    53,977.95x = 1,531,436,011.54
  5. Step 5: Solve for x
    x = 1,531,436,011.54/53,977.95
  6. Step 6: Final answer
    x = 28,371.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.