Home / 43,351.84-65,032.09-11,762.40

Finding the Fourth Proportional to 43,351.84, 65,032.09 and 11,762.40

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Solution

The fourth proportional to 43,351.84, 65,032.09 and 11,762.40 is: 17,644.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,351.84 : 65,032.09 = 11,762.40 : x
  2. Step 2: Convert to fraction form
    43,351.84/65,032.09 = 11,762.40/x
  3. Step 3: Cross multiply
    43,351.84x = 65,032.09 × 11,762.40
  4. Step 4: Simplify right side
    43,351.84x = 764,933,455.42
  5. Step 5: Solve for x
    x = 764,933,455.42/43,351.84
  6. Step 6: Final answer
    x = 17,644.77

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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.