Home / 30,799.85-46,162.87-12,068.20

Finding the Fourth Proportional to 30,799.85, 46,162.87 and 12,068.20

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Solution

The fourth proportional to 30,799.85, 46,162.87 and 12,068.20 is: 18,087.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.85 : 46,162.87 = 12,068.20 : x
  2. Step 2: Convert to fraction form
    30,799.85/46,162.87 = 12,068.20/x
  3. Step 3: Cross multiply
    30,799.85x = 46,162.87 × 12,068.20
  4. Step 4: Simplify right side
    30,799.85x = 557,102,747.73
  5. Step 5: Solve for x
    x = 557,102,747.73/30,799.85
  6. Step 6: Final answer
    x = 18,087.84

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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.