Home / 38,817.46-58,168.48-20,072.47

Finding the Fourth Proportional to 38,817.46, 58,168.48 and 20,072.47

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Solution

The fourth proportional to 38,817.46, 58,168.48 and 20,072.47 is: 30,078.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,817.46 : 58,168.48 = 20,072.47 : x
  2. Step 2: Convert to fraction form
    38,817.46/58,168.48 = 20,072.47/x
  3. Step 3: Cross multiply
    38,817.46x = 58,168.48 × 20,072.47
  4. Step 4: Simplify right side
    38,817.46x = 1,167,585,223.18
  5. Step 5: Solve for x
    x = 1,167,585,223.18/38,817.46
  6. Step 6: Final answer
    x = 30,078.87

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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.