Home / 36,019.34-49,706.75-20,103.79

Finding the Fourth Proportional to 36,019.34, 49,706.75 and 20,103.79

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Solution

The fourth proportional to 36,019.34, 49,706.75 and 20,103.79 is: 27,743.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.34 : 49,706.75 = 20,103.79 : x
  2. Step 2: Convert to fraction form
    36,019.34/49,706.75 = 20,103.79/x
  3. Step 3: Cross multiply
    36,019.34x = 49,706.75 × 20,103.79
  4. Step 4: Simplify right side
    36,019.34x = 999,293,989.58
  5. Step 5: Solve for x
    x = 999,293,989.58/36,019.34
  6. Step 6: Final answer
    x = 27,743.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.