Home / 30,786.36-46,184.40-10,005

Finding the Fourth Proportional to 30,786.36, 46,184.40 and 10,005

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Solution

The fourth proportional to 30,786.36, 46,184.40 and 10,005 is: 15,009.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,786.36 : 46,184.40 = 10,005 : x
  2. Step 2: Convert to fraction form
    30,786.36/46,184.40 = 10,005/x
  3. Step 3: Cross multiply
    30,786.36x = 46,184.40 × 10,005
  4. Step 4: Simplify right side
    30,786.36x = 462,074,922
  5. Step 5: Solve for x
    x = 462,074,922/30,786.36
  6. Step 6: Final answer
    x = 15,009.08

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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.