Home / 39,571.24-59,380.76-20,865.12

Finding the Fourth Proportional to 39,571.24, 59,380.76 and 20,865.12

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Solution

The fourth proportional to 39,571.24, 59,380.76 and 20,865.12 is: 31,310.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,571.24 : 59,380.76 = 20,865.12 : x
  2. Step 2: Convert to fraction form
    39,571.24/59,380.76 = 20,865.12/x
  3. Step 3: Cross multiply
    39,571.24x = 59,380.76 × 20,865.12
  4. Step 4: Simplify right side
    39,571.24x = 1,238,986,683.09
  5. Step 5: Solve for x
    x = 1,238,986,683.09/39,571.24
  6. Step 6: Final answer
    x = 31,310.28

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1.5x scale

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.