Home / 30,994-46,511.48-14,579.28

Finding the Fourth Proportional to 30,994, 46,511.48 and 14,579.28

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Solution

The fourth proportional to 30,994, 46,511.48 and 14,579.28 is: 21,878.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,994 : 46,511.48 = 14,579.28 : x
  2. Step 2: Convert to fraction form
    30,994/46,511.48 = 14,579.28/x
  3. Step 3: Cross multiply
    30,994x = 46,511.48 × 14,579.28
  4. Step 4: Simplify right side
    30,994x = 678,103,890.13
  5. Step 5: Solve for x
    x = 678,103,890.13/30,994
  6. Step 6: Final answer
    x = 21,878.55

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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.