Home / 31,692.03-43,744.73-18,272.25

Finding the Fourth Proportional to 31,692.03, 43,744.73 and 18,272.25

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Solution

The fourth proportional to 31,692.03, 43,744.73 and 18,272.25 is: 25,221.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,692.03 : 43,744.73 = 18,272.25 : x
  2. Step 2: Convert to fraction form
    31,692.03/43,744.73 = 18,272.25/x
  3. Step 3: Cross multiply
    31,692.03x = 43,744.73 × 18,272.25
  4. Step 4: Simplify right side
    31,692.03x = 799,314,642.74
  5. Step 5: Solve for x
    x = 799,314,642.74/31,692.03
  6. Step 6: Final answer
    x = 25,221.31

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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.