Home / 35,103.80-52,655.70-21,996.60

Finding the Fourth Proportional to 35,103.80, 52,655.70 and 21,996.60

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Solution

The fourth proportional to 35,103.80, 52,655.70 and 21,996.60 is: 32,994.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,103.80 : 52,655.70 = 21,996.60 : x
  2. Step 2: Convert to fraction form
    35,103.80/52,655.70 = 21,996.60/x
  3. Step 3: Cross multiply
    35,103.80x = 52,655.70 × 21,996.60
  4. Step 4: Simplify right side
    35,103.80x = 1,158,246,370.62
  5. Step 5: Solve for x
    x = 1,158,246,370.62/35,103.80
  6. Step 6: Final answer
    x = 32,994.90

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Double scale
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Similar ratio
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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.