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Finding the Fourth Proportional to 43,391.37, 65,087.06 and 22,655.37

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Solution

The fourth proportional to 43,391.37, 65,087.06 and 22,655.37 is: 33,983.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,391.37 : 65,087.06 = 22,655.37 : x
  2. Step 2: Convert to fraction form
    43,391.37/65,087.06 = 22,655.37/x
  3. Step 3: Cross multiply
    43,391.37x = 65,087.06 × 22,655.37
  4. Step 4: Simplify right side
    43,391.37x = 1,474,571,313.24
  5. Step 5: Solve for x
    x = 1,474,571,313.24/43,391.37
  6. Step 6: Final answer
    x = 33,983.06

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1.5x scale

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.