Home / 31,679.01-43,716.78-17,532.63

Finding the Fourth Proportional to 31,679.01, 43,716.78 and 17,532.63

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Solution

The fourth proportional to 31,679.01, 43,716.78 and 17,532.63 is: 24,194.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,679.01 : 43,716.78 = 17,532.63 : x
  2. Step 2: Convert to fraction form
    31,679.01/43,716.78 = 17,532.63/x
  3. Step 3: Cross multiply
    31,679.01x = 43,716.78 × 17,532.63
  4. Step 4: Simplify right side
    31,679.01x = 766,470,128.53
  5. Step 5: Solve for x
    x = 766,470,128.53/31,679.01
  6. Step 6: Final answer
    x = 24,194.89

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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.