Home / 49,633.98-74,460.20-20,072.57

Finding the Fourth Proportional to 49,633.98, 74,460.20 and 20,072.57

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Solution

The fourth proportional to 49,633.98, 74,460.20 and 20,072.57 is: 30,112.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,633.98 : 74,460.20 = 20,072.57 : x
  2. Step 2: Convert to fraction form
    49,633.98/74,460.20 = 20,072.57/x
  3. Step 3: Cross multiply
    49,633.98x = 74,460.20 × 20,072.57
  4. Step 4: Simplify right side
    49,633.98x = 1,494,607,712.28
  5. Step 5: Solve for x
    x = 1,494,607,712.28/49,633.98
  6. Step 6: Final answer
    x = 30,112.59

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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.