Home / 49,710.36-74,581.94-20,153.06

Finding the Fourth Proportional to 49,710.36, 74,581.94 and 20,153.06

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Solution

The fourth proportional to 49,710.36, 74,581.94 and 20,153.06 is: 30,236.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,710.36 : 74,581.94 = 20,153.06 : x
  2. Step 2: Convert to fraction form
    49,710.36/74,581.94 = 20,153.06/x
  3. Step 3: Cross multiply
    49,710.36x = 74,581.94 × 20,153.06
  4. Step 4: Simplify right side
    49,710.36x = 1,503,054,311.74
  5. Step 5: Solve for x
    x = 1,503,054,311.74/49,710.36
  6. Step 6: Final answer
    x = 30,236.24

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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.