Home / 31,797.48-43,880.69-19,867.73

Finding the Fourth Proportional to 31,797.48, 43,880.69 and 19,867.73

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Solution

The fourth proportional to 31,797.48, 43,880.69 and 19,867.73 is: 27,417.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,797.48 : 43,880.69 = 19,867.73 : x
  2. Step 2: Convert to fraction form
    31,797.48/43,880.69 = 19,867.73/x
  3. Step 3: Cross multiply
    31,797.48x = 43,880.69 × 19,867.73
  4. Step 4: Simplify right side
    31,797.48x = 871,809,701.13
  5. Step 5: Solve for x
    x = 871,809,701.13/31,797.48
  6. Step 6: Final answer
    x = 27,417.57

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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.