Home / 51,279.44-70,765.62-28,309.26

Finding the Fourth Proportional to 51,279.44, 70,765.62 and 28,309.26

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Solution

The fourth proportional to 51,279.44, 70,765.62 and 28,309.26 is: 39,066.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,279.44 : 70,765.62 = 28,309.26 : x
  2. Step 2: Convert to fraction form
    51,279.44/70,765.62 = 28,309.26/x
  3. Step 3: Cross multiply
    51,279.44x = 70,765.62 × 28,309.26
  4. Step 4: Simplify right side
    51,279.44x = 2,003,322,335.64
  5. Step 5: Solve for x
    x = 2,003,322,335.64/51,279.44
  6. Step 6: Final answer
    x = 39,066.77

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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.