Home / 31,213.10-46,824.31-11,490.16

Finding the Fourth Proportional to 31,213.10, 46,824.31 and 11,490.16

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Solution

The fourth proportional to 31,213.10, 46,824.31 and 11,490.16 is: 17,236.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,213.10 : 46,824.31 = 11,490.16 : x
  2. Step 2: Convert to fraction form
    31,213.10/46,824.31 = 11,490.16/x
  3. Step 3: Cross multiply
    31,213.10x = 46,824.31 × 11,490.16
  4. Step 4: Simplify right side
    31,213.10x = 538,018,601.75
  5. Step 5: Solve for x
    x = 538,018,601.75/31,213.10
  6. Step 6: Final answer
    x = 17,236.95

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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.