Home / 51,255.80-70,739.94-30,043.56

Finding the Fourth Proportional to 51,255.80, 70,739.94 and 30,043.56

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Solution

The fourth proportional to 51,255.80, 70,739.94 and 30,043.56 is: 41,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,255.80 : 70,739.94 = 30,043.56 : x
  2. Step 2: Convert to fraction form
    51,255.80/70,739.94 = 30,043.56/x
  3. Step 3: Cross multiply
    51,255.80x = 70,739.94 × 30,043.56
  4. Step 4: Simplify right side
    51,255.80x = 2,125,279,631.79
  5. Step 5: Solve for x
    x = 2,125,279,631.79/51,255.80
  6. Step 6: Final answer
    x = 41,464.18

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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.