Home / 35,011.72-52,540.30-20,961.16

Finding the Fourth Proportional to 35,011.72, 52,540.30 and 20,961.16

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Solution

The fourth proportional to 35,011.72, 52,540.30 and 20,961.16 is: 31,455.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,011.72 : 52,540.30 = 20,961.16 : x
  2. Step 2: Convert to fraction form
    35,011.72/52,540.30 = 20,961.16/x
  3. Step 3: Cross multiply
    35,011.72x = 52,540.30 × 20,961.16
  4. Step 4: Simplify right side
    35,011.72x = 1,101,305,634.75
  5. Step 5: Solve for x
    x = 1,101,305,634.75/35,011.72
  6. Step 6: Final answer
    x = 31,455.34

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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.