Home / 31,213.24-43,077.22-17,788.84

Finding the Fourth Proportional to 31,213.24, 43,077.22 and 17,788.84

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Solution

The fourth proportional to 31,213.24, 43,077.22 and 17,788.84 is: 24,550.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,213.24 : 43,077.22 = 17,788.84 : x
  2. Step 2: Convert to fraction form
    31,213.24/43,077.22 = 17,788.84/x
  3. Step 3: Cross multiply
    31,213.24x = 43,077.22 × 17,788.84
  4. Step 4: Simplify right side
    31,213.24x = 766,293,774.22
  5. Step 5: Solve for x
    x = 766,293,774.22/31,213.24
  6. Step 6: Final answer
    x = 24,550.28

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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.