Home / 52,072.31-78,055.86-20,504.52

Finding the Fourth Proportional to 52,072.31, 78,055.86 and 20,504.52

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Solution

The fourth proportional to 52,072.31, 78,055.86 and 20,504.52 is: 30,736.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,072.31 : 78,055.86 = 20,504.52 : x
  2. Step 2: Convert to fraction form
    52,072.31/78,055.86 = 20,504.52/x
  3. Step 3: Cross multiply
    52,072.31x = 78,055.86 × 20,504.52
  4. Step 4: Simplify right side
    52,072.31x = 1,600,497,942.49
  5. Step 5: Solve for x
    x = 1,600,497,942.49/52,072.31
  6. Step 6: Final answer
    x = 30,736.07

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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.