Home / 30,014.54-45,020.19-15,223.07

Finding the Fourth Proportional to 30,014.54, 45,020.19 and 15,223.07

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Solution

The fourth proportional to 30,014.54, 45,020.19 and 15,223.07 is: 22,833.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,014.54 : 45,020.19 = 15,223.07 : x
  2. Step 2: Convert to fraction form
    30,014.54/45,020.19 = 15,223.07/x
  3. Step 3: Cross multiply
    30,014.54x = 45,020.19 × 15,223.07
  4. Step 4: Simplify right side
    30,014.54x = 685,345,672.20
  5. Step 5: Solve for x
    x = 685,345,672.20/30,014.54
  6. Step 6: Final answer
    x = 22,833.79

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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.