Home / 31,716.16-43,788.47-19,797.01

Finding the Fourth Proportional to 31,716.16, 43,788.47 and 19,797.01

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Solution

The fourth proportional to 31,716.16, 43,788.47 and 19,797.01 is: 27,332.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,716.16 : 43,788.47 = 19,797.01 : x
  2. Step 2: Convert to fraction form
    31,716.16/43,788.47 = 19,797.01/x
  3. Step 3: Cross multiply
    31,716.16x = 43,788.47 × 19,797.01
  4. Step 4: Simplify right side
    31,716.16x = 866,880,570.02
  5. Step 5: Solve for x
    x = 866,880,570.02/31,716.16
  6. Step 6: Final answer
    x = 27,332.46

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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.