Home / 30,890.91-46,339.61-10,116.03

Finding the Fourth Proportional to 30,890.91, 46,339.61 and 10,116.03

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Solution

The fourth proportional to 30,890.91, 46,339.61 and 10,116.03 is: 15,175.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,890.91 : 46,339.61 = 10,116.03 : x
  2. Step 2: Convert to fraction form
    30,890.91/46,339.61 = 10,116.03/x
  3. Step 3: Cross multiply
    30,890.91x = 46,339.61 × 10,116.03
  4. Step 4: Simplify right side
    30,890.91x = 468,772,834.37
  5. Step 5: Solve for x
    x = 468,772,834.37/30,890.91
  6. Step 6: Final answer
    x = 15,175.11

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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.