Home / 30,677.11-46,015.63-9,900.61

Finding the Fourth Proportional to 30,677.11, 46,015.63 and 9,900.61

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Solution

The fourth proportional to 30,677.11, 46,015.63 and 9,900.61 is: 14,850.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,677.11 : 46,015.63 = 9,900.61 : x
  2. Step 2: Convert to fraction form
    30,677.11/46,015.63 = 9,900.61/x
  3. Step 3: Cross multiply
    30,677.11x = 46,015.63 × 9,900.61
  4. Step 4: Simplify right side
    30,677.11x = 455,582,806.53
  5. Step 5: Solve for x
    x = 455,582,806.53/30,677.11
  6. Step 6: Final answer
    x = 14,850.90

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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.