Home / 49,803.69-74,712.83-18,215.31

Finding the Fourth Proportional to 49,803.69, 74,712.83 and 18,215.31

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Solution

The fourth proportional to 49,803.69, 74,712.83 and 18,215.31 is: 27,325.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,803.69 : 74,712.83 = 18,215.31 : x
  2. Step 2: Convert to fraction form
    49,803.69/74,712.83 = 18,215.31/x
  3. Step 3: Cross multiply
    49,803.69x = 74,712.83 × 18,215.31
  4. Step 4: Simplify right side
    49,803.69x = 1,360,917,268.35
  5. Step 5: Solve for x
    x = 1,360,917,268.35/49,803.69
  6. Step 6: Final answer
    x = 27,325.63

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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.