Home / 35,231.69-48,620.12-20,126.36

Finding the Fourth Proportional to 35,231.69, 48,620.12 and 20,126.36

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Solution

The fourth proportional to 35,231.69, 48,620.12 and 20,126.36 is: 27,774.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,231.69 : 48,620.12 = 20,126.36 : x
  2. Step 2: Convert to fraction form
    35,231.69/48,620.12 = 20,126.36/x
  3. Step 3: Cross multiply
    35,231.69x = 48,620.12 × 20,126.36
  4. Step 4: Simplify right side
    35,231.69x = 978,546,059.28
  5. Step 5: Solve for x
    x = 978,546,059.28/35,231.69
  6. Step 6: Final answer
    x = 27,774.60

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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.