Home / 49,954.45-74,931.69-20,374.60

Finding the Fourth Proportional to 49,954.45, 74,931.69 and 20,374.60

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Solution

The fourth proportional to 49,954.45, 74,931.69 and 20,374.60 is: 30,561.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,954.45 : 74,931.69 = 20,374.60 : x
  2. Step 2: Convert to fraction form
    49,954.45/74,931.69 = 20,374.60/x
  3. Step 3: Cross multiply
    49,954.45x = 74,931.69 × 20,374.60
  4. Step 4: Simplify right side
    49,954.45x = 1,526,703,211.07
  5. Step 5: Solve for x
    x = 1,526,703,211.07/49,954.45
  6. Step 6: Final answer
    x = 30,561.91

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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.