Home / 20,048.74-30,072.97-15,669.88

Finding the Fourth Proportional to 20,048.74, 30,072.97 and 15,669.88

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Solution

The fourth proportional to 20,048.74, 30,072.97 and 15,669.88 is: 23,504.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,048.74 : 30,072.97 = 15,669.88 : x
  2. Step 2: Convert to fraction form
    20,048.74/30,072.97 = 15,669.88/x
  3. Step 3: Cross multiply
    20,048.74x = 30,072.97 × 15,669.88
  4. Step 4: Simplify right side
    20,048.74x = 471,239,831.14
  5. Step 5: Solve for x
    x = 471,239,831.14/20,048.74
  6. Step 6: Final answer
    x = 23,504.71

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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.