Home / 30,881.34-46,322.82-9,821.52

Finding the Fourth Proportional to 30,881.34, 46,322.82 and 9,821.52

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Solution

The fourth proportional to 30,881.34, 46,322.82 and 9,821.52 is: 14,732.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,881.34 : 46,322.82 = 9,821.52 : x
  2. Step 2: Convert to fraction form
    30,881.34/46,322.82 = 9,821.52/x
  3. Step 3: Cross multiply
    30,881.34x = 46,322.82 × 9,821.52
  4. Step 4: Simplify right side
    30,881.34x = 454,960,503.09
  5. Step 5: Solve for x
    x = 454,960,503.09/30,881.34
  6. Step 6: Final answer
    x = 14,732.54

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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.