Home / 39,571.23-54,608.31-21,667.41

Finding the Fourth Proportional to 39,571.23, 54,608.31 and 21,667.41

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Solution

The fourth proportional to 39,571.23, 54,608.31 and 21,667.41 is: 29,901.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,571.23 : 54,608.31 = 21,667.41 : x
  2. Step 2: Convert to fraction form
    39,571.23/54,608.31 = 21,667.41/x
  3. Step 3: Cross multiply
    39,571.23x = 54,608.31 × 21,667.41
  4. Step 4: Simplify right side
    39,571.23x = 1,183,220,642.18
  5. Step 5: Solve for x
    x = 1,183,220,642.18/39,571.23
  6. Step 6: Final answer
    x = 29,901.03

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1.5x scale

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.