Home / 51,571.75-71,169.02-29,215.75

Finding the Fourth Proportional to 51,571.75, 71,169.02 and 29,215.75

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Solution

The fourth proportional to 51,571.75, 71,169.02 and 29,215.75 is: 40,317.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,571.75 : 71,169.02 = 29,215.75 : x
  2. Step 2: Convert to fraction form
    51,571.75/71,169.02 = 29,215.75/x
  3. Step 3: Cross multiply
    51,571.75x = 71,169.02 × 29,215.75
  4. Step 4: Simplify right side
    51,571.75x = 2,079,256,149.99
  5. Step 5: Solve for x
    x = 2,079,256,149.99/51,571.75
  6. Step 6: Final answer
    x = 40,317.74

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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.