Home / 31,986.03-44,142.47-17,838.81

Finding the Fourth Proportional to 31,986.03, 44,142.47 and 17,838.81

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Solution

The fourth proportional to 31,986.03, 44,142.47 and 17,838.81 is: 24,618.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,986.03 : 44,142.47 = 17,838.81 : x
  2. Step 2: Convert to fraction form
    31,986.03/44,142.47 = 17,838.81/x
  3. Step 3: Cross multiply
    31,986.03x = 44,142.47 × 17,838.81
  4. Step 4: Simplify right side
    31,986.03x = 787,449,046.07
  5. Step 5: Solve for x
    x = 787,449,046.07/31,986.03
  6. Step 6: Final answer
    x = 24,618.53

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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.