Home / 31,213.06-43,074.03-17,065.91

Finding the Fourth Proportional to 31,213.06, 43,074.03 and 17,065.91

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Solution

The fourth proportional to 31,213.06, 43,074.03 and 17,065.91 is: 23,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,213.06 : 43,074.03 = 17,065.91 : x
  2. Step 2: Convert to fraction form
    31,213.06/43,074.03 = 17,065.91/x
  3. Step 3: Cross multiply
    31,213.06x = 43,074.03 × 17,065.91
  4. Step 4: Simplify right side
    31,213.06x = 735,097,519.32
  5. Step 5: Solve for x
    x = 735,097,519.32/31,213.06
  6. Step 6: Final answer
    x = 23,550.96

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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.