Home / 35,181.97-48,501.09-21,745.63

Finding the Fourth Proportional to 35,181.97, 48,501.09 and 21,745.63

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Solution

The fourth proportional to 35,181.97, 48,501.09 and 21,745.63 is: 29,978.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,181.97 : 48,501.09 = 21,745.63 : x
  2. Step 2: Convert to fraction form
    35,181.97/48,501.09 = 21,745.63/x
  3. Step 3: Cross multiply
    35,181.97x = 48,501.09 × 21,745.63
  4. Step 4: Simplify right side
    35,181.97x = 1,054,686,757.74
  5. Step 5: Solve for x
    x = 1,054,686,757.74/35,181.97
  6. Step 6: Final answer
    x = 29,978.05

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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.