Home / 30,809.30-46,213.80-12,076.10

Finding the Fourth Proportional to 30,809.30, 46,213.80 and 12,076.10

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Solution

The fourth proportional to 30,809.30, 46,213.80 and 12,076.10 is: 18,114.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,809.30 : 46,213.80 = 12,076.10 : x
  2. Step 2: Convert to fraction form
    30,809.30/46,213.80 = 12,076.10/x
  3. Step 3: Cross multiply
    30,809.30x = 46,213.80 × 12,076.10
  4. Step 4: Simplify right side
    30,809.30x = 558,082,470.18
  5. Step 5: Solve for x
    x = 558,082,470.18/30,809.30
  6. Step 6: Final answer
    x = 18,114.09

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1.5x scale

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.