Home / 53,450.92-80,152.67-28,486.31

Finding the Fourth Proportional to 53,450.92, 80,152.67 and 28,486.31

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Solution

The fourth proportional to 53,450.92, 80,152.67 and 28,486.31 is: 42,716.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,450.92 : 80,152.67 = 28,486.31 : x
  2. Step 2: Convert to fraction form
    53,450.92/80,152.67 = 28,486.31/x
  3. Step 3: Cross multiply
    53,450.92x = 80,152.67 × 28,486.31
  4. Step 4: Simplify right side
    53,450.92x = 2,283,253,804.95
  5. Step 5: Solve for x
    x = 2,283,253,804.95/53,450.92
  6. Step 6: Final answer
    x = 42,716.83

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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.