Home / 31,235.04-43,104.36-17,087.82

Finding the Fourth Proportional to 31,235.04, 43,104.36 and 17,087.82

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Solution

The fourth proportional to 31,235.04, 43,104.36 and 17,087.82 is: 23,581.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,235.04 : 43,104.36 = 17,087.82 : x
  2. Step 2: Convert to fraction form
    31,235.04/43,104.36 = 17,087.82/x
  3. Step 3: Cross multiply
    31,235.04x = 43,104.36 × 17,087.82
  4. Step 4: Simplify right side
    31,235.04x = 736,559,544.90
  5. Step 5: Solve for x
    x = 736,559,544.90/31,235.04
  6. Step 6: Final answer
    x = 23,581.19

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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.