Home / 29,311.97-40,450.46-15,883.16

Finding the Fourth Proportional to 29,311.97, 40,450.46 and 15,883.16

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Solution

The fourth proportional to 29,311.97, 40,450.46 and 15,883.16 is: 21,918.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,311.97 : 40,450.46 = 15,883.16 : x
  2. Step 2: Convert to fraction form
    29,311.97/40,450.46 = 15,883.16/x
  3. Step 3: Cross multiply
    29,311.97x = 40,450.46 × 15,883.16
  4. Step 4: Simplify right side
    29,311.97x = 642,480,846.59
  5. Step 5: Solve for x
    x = 642,480,846.59/29,311.97
  6. Step 6: Final answer
    x = 21,918.72

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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.