Home / 39,571.22-54,608.29-21,667.34

Finding the Fourth Proportional to 39,571.22, 54,608.29 and 21,667.34

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Solution

The fourth proportional to 39,571.22, 54,608.29 and 21,667.34 is: 29,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,571.22 : 54,608.29 = 21,667.34 : x
  2. Step 2: Convert to fraction form
    39,571.22/54,608.29 = 21,667.34/x
  3. Step 3: Cross multiply
    39,571.22x = 54,608.29 × 21,667.34
  4. Step 4: Simplify right side
    39,571.22x = 1,183,216,113.21
  5. Step 5: Solve for x
    x = 1,183,216,113.21/39,571.22
  6. Step 6: Final answer
    x = 29,900.93

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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.