Home / 50,102.82-75,169.08-18,940.50

Finding the Fourth Proportional to 50,102.82, 75,169.08 and 18,940.50

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Solution

The fourth proportional to 50,102.82, 75,169.08 and 18,940.50 is: 28,416.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,102.82 : 75,169.08 = 18,940.50 : x
  2. Step 2: Convert to fraction form
    50,102.82/75,169.08 = 18,940.50/x
  3. Step 3: Cross multiply
    50,102.82x = 75,169.08 × 18,940.50
  4. Step 4: Simplify right side
    50,102.82x = 1,423,739,959.74
  5. Step 5: Solve for x
    x = 1,423,739,959.74/50,102.82
  6. Step 6: Final answer
    x = 28,416.36

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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.