Home / 55,764.03-76,955.71-30,271.44

Finding the Fourth Proportional to 55,764.03, 76,955.71 and 30,271.44

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Solution

The fourth proportional to 55,764.03, 76,955.71 and 30,271.44 is: 41,775.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,764.03 : 76,955.71 = 30,271.44 : x
  2. Step 2: Convert to fraction form
    55,764.03/76,955.71 = 30,271.44/x
  3. Step 3: Cross multiply
    55,764.03x = 76,955.71 × 30,271.44
  4. Step 4: Simplify right side
    55,764.03x = 2,329,560,157.92
  5. Step 5: Solve for x
    x = 2,329,560,157.92/55,764.03
  6. Step 6: Final answer
    x = 41,775.32

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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.