Home / 43,867.04-65,813.31-15,786.56

Finding the Fourth Proportional to 43,867.04, 65,813.31 and 15,786.56

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Solution

The fourth proportional to 43,867.04, 65,813.31 and 15,786.56 is: 23,684.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,867.04 : 65,813.31 = 15,786.56 : x
  2. Step 2: Convert to fraction form
    43,867.04/65,813.31 = 15,786.56/x
  3. Step 3: Cross multiply
    43,867.04x = 65,813.31 × 15,786.56
  4. Step 4: Simplify right side
    43,867.04x = 1,038,965,931.65
  5. Step 5: Solve for x
    x = 1,038,965,931.65/43,867.04
  6. Step 6: Final answer
    x = 23,684.43

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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.