Home / 43,367.16-65,005.99-21,153.08

Finding the Fourth Proportional to 43,367.16, 65,005.99 and 21,153.08

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Solution

The fourth proportional to 43,367.16, 65,005.99 and 21,153.08 is: 31,707.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,367.16 : 65,005.99 = 21,153.08 : x
  2. Step 2: Convert to fraction form
    43,367.16/65,005.99 = 21,153.08/x
  3. Step 3: Cross multiply
    43,367.16x = 65,005.99 × 21,153.08
  4. Step 4: Simplify right side
    43,367.16x = 1,375,076,906.95
  5. Step 5: Solve for x
    x = 1,375,076,906.95/43,367.16
  6. Step 6: Final answer
    x = 31,707.79

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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.