Home / 54,498.36-81,768.30-18,963.63

Finding the Fourth Proportional to 54,498.36, 81,768.30 and 18,963.63

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Solution

The fourth proportional to 54,498.36, 81,768.30 and 18,963.63 is: 28,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,498.36 : 81,768.30 = 18,963.63 : x
  2. Step 2: Convert to fraction form
    54,498.36/81,768.30 = 18,963.63/x
  3. Step 3: Cross multiply
    54,498.36x = 81,768.30 × 18,963.63
  4. Step 4: Simplify right side
    54,498.36x = 1,550,623,786.93
  5. Step 5: Solve for x
    x = 1,550,623,786.93/54,498.36
  6. Step 6: Final answer
    x = 28,452.67

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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.