Home / 31,986.74-44,144.93-18,560.99

Finding the Fourth Proportional to 31,986.74, 44,144.93 and 18,560.99

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Solution

The fourth proportional to 31,986.74, 44,144.93 and 18,560.99 is: 25,616.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,986.74 : 44,144.93 = 18,560.99 : x
  2. Step 2: Convert to fraction form
    31,986.74/44,144.93 = 18,560.99/x
  3. Step 3: Cross multiply
    31,986.74x = 44,144.93 × 18,560.99
  4. Step 4: Simplify right side
    31,986.74x = 819,373,604.28
  5. Step 5: Solve for x
    x = 819,373,604.28/31,986.74
  6. Step 6: Final answer
    x = 25,616.04

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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.