Home / 49,797.90-74,690.66-20,187.29

Finding the Fourth Proportional to 49,797.90, 74,690.66 and 20,187.29

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Solution

The fourth proportional to 49,797.90, 74,690.66 and 20,187.29 is: 30,278.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,797.90 : 74,690.66 = 20,187.29 : x
  2. Step 2: Convert to fraction form
    49,797.90/74,690.66 = 20,187.29/x
  3. Step 3: Cross multiply
    49,797.90x = 74,690.66 × 20,187.29
  4. Step 4: Simplify right side
    49,797.90x = 1,507,801,539.32
  5. Step 5: Solve for x
    x = 1,507,801,539.32/49,797.90
  6. Step 6: Final answer
    x = 30,278.42

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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.