Home / 31,268.66-46,903.10-7,895.12

Finding the Fourth Proportional to 31,268.66, 46,903.10 and 7,895.12

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Solution

The fourth proportional to 31,268.66, 46,903.10 and 7,895.12 is: 11,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,268.66 : 46,903.10 = 7,895.12 : x
  2. Step 2: Convert to fraction form
    31,268.66/46,903.10 = 7,895.12/x
  3. Step 3: Cross multiply
    31,268.66x = 46,903.10 × 7,895.12
  4. Step 4: Simplify right side
    31,268.66x = 370,305,328.88
  5. Step 5: Solve for x
    x = 370,305,328.88/31,268.66
  6. Step 6: Final answer
    x = 11,842.70

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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.