Home / 31,001.78-46,505.73-9,936.51

Finding the Fourth Proportional to 31,001.78, 46,505.73 and 9,936.51

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Solution

The fourth proportional to 31,001.78, 46,505.73 and 9,936.51 is: 14,905.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,001.78 : 46,505.73 = 9,936.51 : x
  2. Step 2: Convert to fraction form
    31,001.78/46,505.73 = 9,936.51/x
  3. Step 3: Cross multiply
    31,001.78x = 46,505.73 × 9,936.51
  4. Step 4: Simplify right side
    31,001.78x = 462,104,651.20
  5. Step 5: Solve for x
    x = 462,104,651.20/31,001.78
  6. Step 6: Final answer
    x = 14,905.75

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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.