Home / 35,659.20-49,209.12-19,743.60

Finding the Fourth Proportional to 35,659.20, 49,209.12 and 19,743.60

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Solution

The fourth proportional to 35,659.20, 49,209.12 and 19,743.60 is: 27,245.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,659.20 : 49,209.12 = 19,743.60 : x
  2. Step 2: Convert to fraction form
    35,659.20/49,209.12 = 19,743.60/x
  3. Step 3: Cross multiply
    35,659.20x = 49,209.12 × 19,743.60
  4. Step 4: Simplify right side
    35,659.20x = 971,565,181.63
  5. Step 5: Solve for x
    x = 971,565,181.63/35,659.20
  6. Step 6: Final answer
    x = 27,245.85

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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.