Home / 31,511.74-43,486.34-17,364.60

Finding the Fourth Proportional to 31,511.74, 43,486.34 and 17,364.60

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Solution

The fourth proportional to 31,511.74, 43,486.34 and 17,364.60 is: 23,963.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,511.74 : 43,486.34 = 17,364.60 : x
  2. Step 2: Convert to fraction form
    31,511.74/43,486.34 = 17,364.60/x
  3. Step 3: Cross multiply
    31,511.74x = 43,486.34 × 17,364.60
  4. Step 4: Simplify right side
    31,511.74x = 755,122,899.56
  5. Step 5: Solve for x
    x = 755,122,899.56/31,511.74
  6. Step 6: Final answer
    x = 23,963.22

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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.