Home / 49,858.39-74,740.27-19,891.05

Finding the Fourth Proportional to 49,858.39, 74,740.27 and 19,891.05

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Solution

The fourth proportional to 49,858.39, 74,740.27 and 19,891.05 is: 29,817.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,858.39 : 74,740.27 = 19,891.05 : x
  2. Step 2: Convert to fraction form
    49,858.39/74,740.27 = 19,891.05/x
  3. Step 3: Cross multiply
    49,858.39x = 74,740.27 × 19,891.05
  4. Step 4: Simplify right side
    49,858.39x = 1,486,662,447.58
  5. Step 5: Solve for x
    x = 1,486,662,447.58/49,858.39
  6. Step 6: Final answer
    x = 29,817.70

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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.