Home / 31,144.36-46,728.60-11,436.52

Finding the Fourth Proportional to 31,144.36, 46,728.60 and 11,436.52

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Solution

The fourth proportional to 31,144.36, 46,728.60 and 11,436.52 is: 17,159.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,144.36 : 46,728.60 = 11,436.52 : x
  2. Step 2: Convert to fraction form
    31,144.36/46,728.60 = 11,436.52/x
  3. Step 3: Cross multiply
    31,144.36x = 46,728.60 × 11,436.52
  4. Step 4: Simplify right side
    31,144.36x = 534,412,568.47
  5. Step 5: Solve for x
    x = 534,412,568.47/31,144.36
  6. Step 6: Final answer
    x = 17,159.21

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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.