Home / 43,611.24-65,438.46-17,315.40

Finding the Fourth Proportional to 43,611.24, 65,438.46 and 17,315.40

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Solution

The fourth proportional to 43,611.24, 65,438.46 and 17,315.40 is: 25,981.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,611.24 : 65,438.46 = 17,315.40 : x
  2. Step 2: Convert to fraction form
    43,611.24/65,438.46 = 17,315.40/x
  3. Step 3: Cross multiply
    43,611.24x = 65,438.46 × 17,315.40
  4. Step 4: Simplify right side
    43,611.24x = 1,133,093,110.28
  5. Step 5: Solve for x
    x = 1,133,093,110.28/43,611.24
  6. Step 6: Final answer
    x = 25,981.68

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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.