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Finding the Fourth Proportional to 30,850.15, 46,275.09 and 7,476.79

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Solution

The fourth proportional to 30,850.15, 46,275.09 and 7,476.79 is: 11,215.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,850.15 : 46,275.09 = 7,476.79 : x
  2. Step 2: Convert to fraction form
    30,850.15/46,275.09 = 7,476.79/x
  3. Step 3: Cross multiply
    30,850.15x = 46,275.09 × 7,476.79
  4. Step 4: Simplify right side
    30,850.15x = 345,989,130.16
  5. Step 5: Solve for x
    x = 345,989,130.16/30,850.15
  6. Step 6: Final answer
    x = 11,215.15

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.