Home / 46,979.52-70,469.13-11,919.09

Finding the Fourth Proportional to 46,979.52, 70,469.13 and 11,919.09

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Solution

The fourth proportional to 46,979.52, 70,469.13 and 11,919.09 is: 17,878.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,979.52 : 70,469.13 = 11,919.09 : x
  2. Step 2: Convert to fraction form
    46,979.52/70,469.13 = 11,919.09/x
  3. Step 3: Cross multiply
    46,979.52x = 70,469.13 × 11,919.09
  4. Step 4: Simplify right side
    46,979.52x = 839,927,902.69
  5. Step 5: Solve for x
    x = 839,927,902.69/46,979.52
  6. Step 6: Final answer
    x = 17,878.60

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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.