Home / 31,986.99-44,142.11-17,840.75

Finding the Fourth Proportional to 31,986.99, 44,142.11 and 17,840.75

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Solution

The fourth proportional to 31,986.99, 44,142.11 and 17,840.75 is: 24,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,986.99 : 44,142.11 = 17,840.75 : x
  2. Step 2: Convert to fraction form
    31,986.99/44,142.11 = 17,840.75/x
  3. Step 3: Cross multiply
    31,986.99x = 44,142.11 × 17,840.75
  4. Step 4: Simplify right side
    31,986.99x = 787,528,039.07
  5. Step 5: Solve for x
    x = 787,528,039.07/31,986.99
  6. Step 6: Final answer
    x = 24,620.26

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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.