Home / 35,236.04-48,624.73-20,128.39

Finding the Fourth Proportional to 35,236.04, 48,624.73 and 20,128.39

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Solution

The fourth proportional to 35,236.04, 48,624.73 and 20,128.39 is: 27,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,236.04 : 48,624.73 = 20,128.39 : x
  2. Step 2: Convert to fraction form
    35,236.04/48,624.73 = 20,128.39/x
  3. Step 3: Cross multiply
    35,236.04x = 48,624.73 × 20,128.39
  4. Step 4: Simplify right side
    35,236.04x = 978,737,357.20
  5. Step 5: Solve for x
    x = 978,737,357.20/35,236.04
  6. Step 6: Final answer
    x = 27,776.60

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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.