Home / 31,465.14-43,421.94-17,318.04

Finding the Fourth Proportional to 31,465.14, 43,421.94 and 17,318.04

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Solution

The fourth proportional to 31,465.14, 43,421.94 and 17,318.04 is: 23,898.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,465.14 : 43,421.94 = 17,318.04 : x
  2. Step 2: Convert to fraction form
    31,465.14/43,421.94 = 17,318.04/x
  3. Step 3: Cross multiply
    31,465.14x = 43,421.94 × 17,318.04
  4. Step 4: Simplify right side
    31,465.14x = 751,982,893.80
  5. Step 5: Solve for x
    x = 751,982,893.80/31,465.14
  6. Step 6: Final answer
    x = 23,898.92

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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.