Home / 35,647.18-49,198.29-20,536.90

Finding the Fourth Proportional to 35,647.18, 49,198.29 and 20,536.90

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Solution

The fourth proportional to 35,647.18, 49,198.29 and 20,536.90 is: 28,343.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,647.18 : 49,198.29 = 20,536.90 : x
  2. Step 2: Convert to fraction form
    35,647.18/49,198.29 = 20,536.90/x
  3. Step 3: Cross multiply
    35,647.18x = 49,198.29 × 20,536.90
  4. Step 4: Simplify right side
    35,647.18x = 1,010,380,259.22
  5. Step 5: Solve for x
    x = 1,010,380,259.22/35,647.18
  6. Step 6: Final answer
    x = 28,343.90

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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.