Home / 49,968.63-74,919.60-20,378.52

Finding the Fourth Proportional to 49,968.63, 74,919.60 and 20,378.52

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Solution

The fourth proportional to 49,968.63, 74,919.60 and 20,378.52 is: 30,554.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,968.63 : 74,919.60 = 20,378.52 : x
  2. Step 2: Convert to fraction form
    49,968.63/74,919.60 = 20,378.52/x
  3. Step 3: Cross multiply
    49,968.63x = 74,919.60 × 20,378.52
  4. Step 4: Simplify right side
    49,968.63x = 1,526,750,566.99
  5. Step 5: Solve for x
    x = 1,526,750,566.99/49,968.63
  6. Step 6: Final answer
    x = 30,554.18

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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.