Home / 30,868.23-46,282.91-20,326.89

Finding the Fourth Proportional to 30,868.23, 46,282.91 and 20,326.89

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Solution

The fourth proportional to 30,868.23, 46,282.91 and 20,326.89 is: 30,477.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,868.23 : 46,282.91 = 20,326.89 : x
  2. Step 2: Convert to fraction form
    30,868.23/46,282.91 = 20,326.89/x
  3. Step 3: Cross multiply
    30,868.23x = 46,282.91 × 20,326.89
  4. Step 4: Simplify right side
    30,868.23x = 940,787,518.82
  5. Step 5: Solve for x
    x = 940,787,518.82/30,868.23
  6. Step 6: Final answer
    x = 30,477.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.