Home / 47,571.09-65,661.62-28,709.43

Finding the Fourth Proportional to 47,571.09, 65,661.62 and 28,709.43

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Solution

The fourth proportional to 47,571.09, 65,661.62 and 28,709.43 is: 39,627.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,571.09 : 65,661.62 = 28,709.43 : x
  2. Step 2: Convert to fraction form
    47,571.09/65,661.62 = 28,709.43/x
  3. Step 3: Cross multiply
    47,571.09x = 65,661.62 × 28,709.43
  4. Step 4: Simplify right side
    47,571.09x = 1,885,107,683.08
  5. Step 5: Solve for x
    x = 1,885,107,683.08/47,571.09
  6. Step 6: Final answer
    x = 39,627.17

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Why These Related Problems?

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