Home / 31,214.07-43,072.44-17,784.99

Finding the Fourth Proportional to 31,214.07, 43,072.44 and 17,784.99

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Solution

The fourth proportional to 31,214.07, 43,072.44 and 17,784.99 is: 24,541.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,214.07 : 43,072.44 = 17,784.99 : x
  2. Step 2: Convert to fraction form
    31,214.07/43,072.44 = 17,784.99/x
  3. Step 3: Cross multiply
    31,214.07x = 43,072.44 × 17,784.99
  4. Step 4: Simplify right side
    31,214.07x = 766,042,914.68
  5. Step 5: Solve for x
    x = 766,042,914.68/31,214.07
  6. Step 6: Final answer
    x = 24,541.59

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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.