Home / 36,243.90-50,014.99-21,907.20

Finding the Fourth Proportional to 36,243.90, 50,014.99 and 21,907.20

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Solution

The fourth proportional to 36,243.90, 50,014.99 and 21,907.20 is: 30,230.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,243.90 : 50,014.99 = 21,907.20 : x
  2. Step 2: Convert to fraction form
    36,243.90/50,014.99 = 21,907.20/x
  3. Step 3: Cross multiply
    36,243.90x = 50,014.99 × 21,907.20
  4. Step 4: Simplify right side
    36,243.90x = 1,095,688,388.93
  5. Step 5: Solve for x
    x = 1,095,688,388.93/36,243.90
  6. Step 6: Final answer
    x = 30,230.97

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1.5x scale

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.