Home / 49,427.40-74,121.30-18,255.72

Finding the Fourth Proportional to 49,427.40, 74,121.30 and 18,255.72

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Solution

The fourth proportional to 49,427.40, 74,121.30 and 18,255.72 is: 27,376.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,427.40 : 74,121.30 = 18,255.72 : x
  2. Step 2: Convert to fraction form
    49,427.40/74,121.30 = 18,255.72/x
  3. Step 3: Cross multiply
    49,427.40x = 74,121.30 × 18,255.72
  4. Step 4: Simplify right side
    49,427.40x = 1,353,137,698.84
  5. Step 5: Solve for x
    x = 1,353,137,698.84/49,427.40
  6. Step 6: Final answer
    x = 27,376.27

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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.