Home / 30,949.02-46,418.04-14,078.10

Finding the Fourth Proportional to 30,949.02, 46,418.04 and 14,078.10

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Solution

The fourth proportional to 30,949.02, 46,418.04 and 14,078.10 is: 21,114.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,949.02 : 46,418.04 = 14,078.10 : x
  2. Step 2: Convert to fraction form
    30,949.02/46,418.04 = 14,078.10/x
  3. Step 3: Cross multiply
    30,949.02x = 46,418.04 × 14,078.10
  4. Step 4: Simplify right side
    30,949.02x = 653,477,808.92
  5. Step 5: Solve for x
    x = 653,477,808.92/30,949.02
  6. Step 6: Final answer
    x = 21,114.65

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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.