Home / 35,474.88-53,211.96-10,515.12

Finding the Fourth Proportional to 35,474.88, 53,211.96 and 10,515.12

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Solution

The fourth proportional to 35,474.88, 53,211.96 and 10,515.12 is: 15,772.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,474.88 : 53,211.96 = 10,515.12 : x
  2. Step 2: Convert to fraction form
    35,474.88/53,211.96 = 10,515.12/x
  3. Step 3: Cross multiply
    35,474.88x = 53,211.96 × 10,515.12
  4. Step 4: Simplify right side
    35,474.88x = 559,530,144.84
  5. Step 5: Solve for x
    x = 559,530,144.84/35,474.88
  6. Step 6: Final answer
    x = 15,772.57

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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.