Home / 31,626.63-43,643.07-17,478.63

Finding the Fourth Proportional to 31,626.63, 43,643.07 and 17,478.63

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Solution

The fourth proportional to 31,626.63, 43,643.07 and 17,478.63 is: 24,119.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.63 : 43,643.07 = 17,478.63 : x
  2. Step 2: Convert to fraction form
    31,626.63/43,643.07 = 17,478.63/x
  3. Step 3: Cross multiply
    31,626.63x = 43,643.07 × 17,478.63
  4. Step 4: Simplify right side
    31,626.63x = 762,821,072.59
  5. Step 5: Solve for x
    x = 762,821,072.59/31,626.63
  6. Step 6: Final answer
    x = 24,119.58

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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.