Home / 76,959.44-115,433.40-21,559.76

Finding the Fourth Proportional to 76,959.44, 115,433.40 and 21,559.76

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Solution

The fourth proportional to 76,959.44, 115,433.40 and 21,559.76 is: 32,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,959.44 : 115,433.40 = 21,559.76 : x
  2. Step 2: Convert to fraction form
    76,959.44/115,433.40 = 21,559.76/x
  3. Step 3: Cross multiply
    76,959.44x = 115,433.40 × 21,559.76
  4. Step 4: Simplify right side
    76,959.44x = 2,488,716,399.98
  5. Step 5: Solve for x
    x = 2,488,716,399.98/76,959.44
  6. Step 6: Final answer
    x = 32,338.03

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1.5x scale

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.