Home / 31,222.72-43,087.04-17,075.84

Finding the Fourth Proportional to 31,222.72, 43,087.04 and 17,075.84

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Solution

The fourth proportional to 31,222.72, 43,087.04 and 17,075.84 is: 23,564.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,222.72 : 43,087.04 = 17,075.84 : x
  2. Step 2: Convert to fraction form
    31,222.72/43,087.04 = 17,075.84/x
  3. Step 3: Cross multiply
    31,222.72x = 43,087.04 × 17,075.84
  4. Step 4: Simplify right side
    31,222.72x = 735,747,401.11
  5. Step 5: Solve for x
    x = 735,747,401.11/31,222.72
  6. Step 6: Final answer
    x = 23,564.49

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.