Home / 43,415.46-65,133.72-17,121.24

Finding the Fourth Proportional to 43,415.46, 65,133.72 and 17,121.24

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Solution

The fourth proportional to 43,415.46, 65,133.72 and 17,121.24 is: 25,686.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,415.46 : 65,133.72 = 17,121.24 : x
  2. Step 2: Convert to fraction form
    43,415.46/65,133.72 = 17,121.24/x
  3. Step 3: Cross multiply
    43,415.46x = 65,133.72 × 17,121.24
  4. Step 4: Simplify right side
    43,415.46x = 1,115,170,052.21
  5. Step 5: Solve for x
    x = 1,115,170,052.21/43,415.46
  6. Step 6: Final answer
    x = 25,686.01

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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.