Home / 31,461.23-43,415.43-17,314.04

Finding the Fourth Proportional to 31,461.23, 43,415.43 and 17,314.04

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Solution

The fourth proportional to 31,461.23, 43,415.43 and 17,314.04 is: 23,892.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,461.23 : 43,415.43 = 17,314.04 : x
  2. Step 2: Convert to fraction form
    31,461.23/43,415.43 = 17,314.04/x
  3. Step 3: Cross multiply
    31,461.23x = 43,415.43 × 17,314.04
  4. Step 4: Simplify right side
    31,461.23x = 751,696,491.64
  5. Step 5: Solve for x
    x = 751,696,491.64/31,461.23
  6. Step 6: Final answer
    x = 23,892.79

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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.