Home / 30,659.82-45,965.28-28,199.58

Finding the Fourth Proportional to 30,659.82, 45,965.28 and 28,199.58

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Solution

The fourth proportional to 30,659.82, 45,965.28 and 28,199.58 is: 42,276.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,659.82 : 45,965.28 = 28,199.58 : x
  2. Step 2: Convert to fraction form
    30,659.82/45,965.28 = 28,199.58/x
  3. Step 3: Cross multiply
    30,659.82x = 45,965.28 × 28,199.58
  4. Step 4: Simplify right side
    30,659.82x = 1,296,201,590.58
  5. Step 5: Solve for x
    x = 1,296,201,590.58/30,659.82
  6. Step 6: Final answer
    x = 42,276.88

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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.