Home / 31,116.17-46,647.51-11,390.64

Finding the Fourth Proportional to 31,116.17, 46,647.51 and 11,390.64

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Solution

The fourth proportional to 31,116.17, 46,647.51 and 11,390.64 is: 17,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,116.17 : 46,647.51 = 11,390.64 : x
  2. Step 2: Convert to fraction form
    31,116.17/46,647.51 = 11,390.64/x
  3. Step 3: Cross multiply
    31,116.17x = 46,647.51 × 11,390.64
  4. Step 4: Simplify right side
    31,116.17x = 531,344,993.31
  5. Step 5: Solve for x
    x = 531,344,993.31/31,116.17
  6. Step 6: Final answer
    x = 17,076.17

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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.