Home / 31,467.06-43,423.83-17,319.60

Finding the Fourth Proportional to 31,467.06, 43,423.83 and 17,319.60

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Solution

The fourth proportional to 31,467.06, 43,423.83 and 17,319.60 is: 23,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,467.06 : 43,423.83 = 17,319.60 : x
  2. Step 2: Convert to fraction form
    31,467.06/43,423.83 = 17,319.60/x
  3. Step 3: Cross multiply
    31,467.06x = 43,423.83 × 17,319.60
  4. Step 4: Simplify right side
    31,467.06x = 752,083,366.07
  5. Step 5: Solve for x
    x = 752,083,366.07/31,467.06
  6. Step 6: Final answer
    x = 23,900.66

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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.