Home / 30,949.14-46,423.69-8,762.70

Finding the Fourth Proportional to 30,949.14, 46,423.69 and 8,762.70

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Solution

The fourth proportional to 30,949.14, 46,423.69 and 8,762.70 is: 13,144.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,949.14 : 46,423.69 = 8,762.70 : x
  2. Step 2: Convert to fraction form
    30,949.14/46,423.69 = 8,762.70/x
  3. Step 3: Cross multiply
    30,949.14x = 46,423.69 × 8,762.70
  4. Step 4: Simplify right side
    30,949.14x = 406,796,868.36
  5. Step 5: Solve for x
    x = 406,796,868.36/30,949.14
  6. Step 6: Final answer
    x = 13,144.04

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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.