Home / 30,719.01-46,083.94-12,707.20

Finding the Fourth Proportional to 30,719.01, 46,083.94 and 12,707.20

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Solution

The fourth proportional to 30,719.01, 46,083.94 and 12,707.20 is: 19,063.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,719.01 : 46,083.94 = 12,707.20 : x
  2. Step 2: Convert to fraction form
    30,719.01/46,083.94 = 12,707.20/x
  3. Step 3: Cross multiply
    30,719.01x = 46,083.94 × 12,707.20
  4. Step 4: Simplify right side
    30,719.01x = 585,597,608.98
  5. Step 5: Solve for x
    x = 585,597,608.98/30,719.01
  6. Step 6: Final answer
    x = 19,063.03

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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.