Home / 43,485.70-65,236.92-18,525.28

Finding the Fourth Proportional to 43,485.70, 65,236.92 and 18,525.28

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Solution

The fourth proportional to 43,485.70, 65,236.92 and 18,525.28 is: 27,791.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,485.70 : 65,236.92 = 18,525.28 : x
  2. Step 2: Convert to fraction form
    43,485.70/65,236.92 = 18,525.28/x
  3. Step 3: Cross multiply
    43,485.70x = 65,236.92 × 18,525.28
  4. Step 4: Simplify right side
    43,485.70x = 1,208,532,209.34
  5. Step 5: Solve for x
    x = 1,208,532,209.34/43,485.70
  6. Step 6: Final answer
    x = 27,791.49

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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.