Home / 51,829.32-71,520.54-30,604.50

Finding the Fourth Proportional to 51,829.32, 71,520.54 and 30,604.50

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Solution

The fourth proportional to 51,829.32, 71,520.54 and 30,604.50 is: 42,231.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,829.32 : 71,520.54 = 30,604.50 : x
  2. Step 2: Convert to fraction form
    51,829.32/71,520.54 = 30,604.50/x
  3. Step 3: Cross multiply
    51,829.32x = 71,520.54 × 30,604.50
  4. Step 4: Simplify right side
    51,829.32x = 2,188,850,366.43
  5. Step 5: Solve for x
    x = 2,188,850,366.43/51,829.32
  6. Step 6: Final answer
    x = 42,231.89

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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.