Home / 30,890.38-46,335.97-10,113.88

Finding the Fourth Proportional to 30,890.38, 46,335.97 and 10,113.88

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Solution

The fourth proportional to 30,890.38, 46,335.97 and 10,113.88 is: 15,170.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,890.38 : 46,335.97 = 10,113.88 : x
  2. Step 2: Convert to fraction form
    30,890.38/46,335.97 = 10,113.88/x
  3. Step 3: Cross multiply
    30,890.38x = 46,335.97 × 10,113.88
  4. Step 4: Simplify right side
    30,890.38x = 468,636,208.58
  5. Step 5: Solve for x
    x = 468,636,208.58/30,890.38
  6. Step 6: Final answer
    x = 15,170.95

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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.