Home / 49,920.12-74,858.31-18,733.50

Finding the Fourth Proportional to 49,920.12, 74,858.31 and 18,733.50

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Solution

The fourth proportional to 49,920.12, 74,858.31 and 18,733.50 is: 28,092.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,920.12 : 74,858.31 = 18,733.50 : x
  2. Step 2: Convert to fraction form
    49,920.12/74,858.31 = 18,733.50/x
  3. Step 3: Cross multiply
    49,920.12x = 74,858.31 × 18,733.50
  4. Step 4: Simplify right side
    49,920.12x = 1,402,358,150.39
  5. Step 5: Solve for x
    x = 1,402,358,150.39/49,920.12
  6. Step 6: Final answer
    x = 28,092.04

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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.