Home / 52,072.56-78,056.24-20,504.77

Finding the Fourth Proportional to 52,072.56, 78,056.24 and 20,504.77

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Solution

The fourth proportional to 52,072.56, 78,056.24 and 20,504.77 is: 30,736.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,072.56 : 78,056.24 = 20,504.77 : x
  2. Step 2: Convert to fraction form
    52,072.56/78,056.24 = 20,504.77/x
  3. Step 3: Cross multiply
    52,072.56x = 78,056.24 × 20,504.77
  4. Step 4: Simplify right side
    52,072.56x = 1,600,525,248.26
  5. Step 5: Solve for x
    x = 1,600,525,248.26/52,072.56
  6. Step 6: Final answer
    x = 30,736.44

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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.