Home / 49,455.21-74,192.54-18,290.73

Finding the Fourth Proportional to 49,455.21, 74,192.54 and 18,290.73

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Solution

The fourth proportional to 49,455.21, 74,192.54 and 18,290.73 is: 27,439.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,455.21 : 74,192.54 = 18,290.73 : x
  2. Step 2: Convert to fraction form
    49,455.21/74,192.54 = 18,290.73/x
  3. Step 3: Cross multiply
    49,455.21x = 74,192.54 × 18,290.73
  4. Step 4: Simplify right side
    49,455.21x = 1,357,035,625.70
  5. Step 5: Solve for x
    x = 1,357,035,625.70/49,455.21
  6. Step 6: Final answer
    x = 27,439.69

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1.5x scale

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.