Home / 31,578.44-43,578.25-17,431.29

Finding the Fourth Proportional to 31,578.44, 43,578.25 and 17,431.29

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Solution

The fourth proportional to 31,578.44, 43,578.25 and 17,431.29 is: 24,055.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,578.44 : 43,578.25 = 17,431.29 : x
  2. Step 2: Convert to fraction form
    31,578.44/43,578.25 = 17,431.29/x
  3. Step 3: Cross multiply
    31,578.44x = 43,578.25 × 17,431.29
  4. Step 4: Simplify right side
    31,578.44x = 759,624,895.55
  5. Step 5: Solve for x
    x = 759,624,895.55/31,578.44
  6. Step 6: Final answer
    x = 24,055.17

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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.