Home / 35,216.40-48,604.36-20,109.20

Finding the Fourth Proportional to 35,216.40, 48,604.36 and 20,109.20

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Solution

The fourth proportional to 35,216.40, 48,604.36 and 20,109.20 is: 27,753.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,216.40 : 48,604.36 = 20,109.20 : x
  2. Step 2: Convert to fraction form
    35,216.40/48,604.36 = 20,109.20/x
  3. Step 3: Cross multiply
    35,216.40x = 48,604.36 × 20,109.20
  4. Step 4: Simplify right side
    35,216.40x = 977,394,796.11
  5. Step 5: Solve for x
    x = 977,394,796.11/35,216.40
  6. Step 6: Final answer
    x = 27,753.97

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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.