Home / 55,308.06-82,960.23-30,359.85

Finding the Fourth Proportional to 55,308.06, 82,960.23 and 30,359.85

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Solution

The fourth proportional to 55,308.06, 82,960.23 and 30,359.85 is: 45,538.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,308.06 : 82,960.23 = 30,359.85 : x
  2. Step 2: Convert to fraction form
    55,308.06/82,960.23 = 30,359.85/x
  3. Step 3: Cross multiply
    55,308.06x = 82,960.23 × 30,359.85
  4. Step 4: Simplify right side
    55,308.06x = 2,518,660,138.77
  5. Step 5: Solve for x
    x = 2,518,660,138.77/55,308.06
  6. Step 6: Final answer
    x = 45,538.75

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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.