Home / 35,221.46-48,608.30-20,114.76

Finding the Fourth Proportional to 35,221.46, 48,608.30 and 20,114.76

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Solution

The fourth proportional to 35,221.46, 48,608.30 and 20,114.76 is: 27,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,221.46 : 48,608.30 = 20,114.76 : x
  2. Step 2: Convert to fraction form
    35,221.46/48,608.30 = 20,114.76/x
  3. Step 3: Cross multiply
    35,221.46x = 48,608.30 × 20,114.76
  4. Step 4: Simplify right side
    35,221.46x = 977,744,291.25
  5. Step 5: Solve for x
    x = 977,744,291.25/35,221.46
  6. Step 6: Final answer
    x = 27,759.90

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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.