Home / 53,896.61-80,883.20-18,836.57

Finding the Fourth Proportional to 53,896.61, 80,883.20 and 18,836.57

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Solution

The fourth proportional to 53,896.61, 80,883.20 and 18,836.57 is: 28,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,896.61 : 80,883.20 = 18,836.57 : x
  2. Step 2: Convert to fraction form
    53,896.61/80,883.20 = 18,836.57/x
  3. Step 3: Cross multiply
    53,896.61x = 80,883.20 × 18,836.57
  4. Step 4: Simplify right side
    53,896.61x = 1,523,562,307.92
  5. Step 5: Solve for x
    x = 1,523,562,307.92/53,896.61
  6. Step 6: Final answer
    x = 28,268.24

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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.