Home / 41,272.12-61,899.96-20,203.12

Finding the Fourth Proportional to 41,272.12, 61,899.96 and 20,203.12

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Solution

The fourth proportional to 41,272.12, 61,899.96 and 20,203.12 is: 30,300.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,272.12 : 61,899.96 = 20,203.12 : x
  2. Step 2: Convert to fraction form
    41,272.12/61,899.96 = 20,203.12/x
  3. Step 3: Cross multiply
    41,272.12x = 61,899.96 × 20,203.12
  4. Step 4: Simplify right side
    41,272.12x = 1,250,572,319.88
  5. Step 5: Solve for x
    x = 1,250,572,319.88/41,272.12
  6. Step 6: Final answer
    x = 30,300.66

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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.