Home / 30,787.36-46,185.90-10,006

Finding the Fourth Proportional to 30,787.36, 46,185.90 and 10,006

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Solution

The fourth proportional to 30,787.36, 46,185.90 and 10,006 is: 15,010.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,787.36 : 46,185.90 = 10,006 : x
  2. Step 2: Convert to fraction form
    30,787.36/46,185.90 = 10,006/x
  3. Step 3: Cross multiply
    30,787.36x = 46,185.90 × 10,006
  4. Step 4: Simplify right side
    30,787.36x = 462,136,115.40
  5. Step 5: Solve for x
    x = 462,136,115.40/30,787.36
  6. Step 6: Final answer
    x = 15,010.58

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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.