Home / 49,920.50-74,858.87-18,733.88

Finding the Fourth Proportional to 49,920.50, 74,858.87 and 18,733.88

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Solution

The fourth proportional to 49,920.50, 74,858.87 and 18,733.88 is: 28,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,920.50 : 74,858.87 = 18,733.88 : x
  2. Step 2: Convert to fraction form
    49,920.50/74,858.87 = 18,733.88/x
  3. Step 3: Cross multiply
    49,920.50x = 74,858.87 × 18,733.88
  4. Step 4: Simplify right side
    49,920.50x = 1,402,396,619.55
  5. Step 5: Solve for x
    x = 1,402,396,619.55/49,920.50
  6. Step 6: Final answer
    x = 28,092.60

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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.