Home / 53,219.52-73,382.22-39,768.12

Finding the Fourth Proportional to 53,219.52, 73,382.22 and 39,768.12

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Solution

The fourth proportional to 53,219.52, 73,382.22 and 39,768.12 is: 54,834.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,219.52 : 73,382.22 = 39,768.12 : x
  2. Step 2: Convert to fraction form
    53,219.52/73,382.22 = 39,768.12/x
  3. Step 3: Cross multiply
    53,219.52x = 73,382.22 × 39,768.12
  4. Step 4: Simplify right side
    53,219.52x = 2,918,272,930.83
  5. Step 5: Solve for x
    x = 2,918,272,930.83/53,219.52
  6. Step 6: Final answer
    x = 54,834.63

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.