Home / 31,465.94-43,422.09-17,318.48

Finding the Fourth Proportional to 31,465.94, 43,422.09 and 17,318.48

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Solution

The fourth proportional to 31,465.94, 43,422.09 and 17,318.48 is: 23,899.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,465.94 : 43,422.09 = 17,318.48 : x
  2. Step 2: Convert to fraction form
    31,465.94/43,422.09 = 17,318.48/x
  3. Step 3: Cross multiply
    31,465.94x = 43,422.09 × 17,318.48
  4. Step 4: Simplify right side
    31,465.94x = 752,004,597.22
  5. Step 5: Solve for x
    x = 752,004,597.22/31,465.94
  6. Step 6: Final answer
    x = 23,899.00

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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.