Home / 30,181.50-41,649.81-16,751.94

Finding the Fourth Proportional to 30,181.50, 41,649.81 and 16,751.94

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Solution

The fourth proportional to 30,181.50, 41,649.81 and 16,751.94 is: 23,117.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,181.50 : 41,649.81 = 16,751.94 : x
  2. Step 2: Convert to fraction form
    30,181.50/41,649.81 = 16,751.94/x
  3. Step 3: Cross multiply
    30,181.50x = 41,649.81 × 16,751.94
  4. Step 4: Simplify right side
    30,181.50x = 697,715,118.13
  5. Step 5: Solve for x
    x = 697,715,118.13/30,181.50
  6. Step 6: Final answer
    x = 23,117.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.