Home / 30,247.44-45,324.96-12,707.68

Finding the Fourth Proportional to 30,247.44, 45,324.96 and 12,707.68

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Solution

The fourth proportional to 30,247.44, 45,324.96 and 12,707.68 is: 19,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,247.44 : 45,324.96 = 12,707.68 : x
  2. Step 2: Convert to fraction form
    30,247.44/45,324.96 = 12,707.68/x
  3. Step 3: Cross multiply
    30,247.44x = 45,324.96 × 12,707.68
  4. Step 4: Simplify right side
    30,247.44x = 575,975,087.69
  5. Step 5: Solve for x
    x = 575,975,087.69/30,247.44
  6. Step 6: Final answer
    x = 19,042.11

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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.