Home / 52,652.14-78,992.06-18,921.56

Finding the Fourth Proportional to 52,652.14, 78,992.06 and 18,921.56

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Solution

The fourth proportional to 52,652.14, 78,992.06 and 18,921.56 is: 28,387.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,652.14 : 78,992.06 = 18,921.56 : x
  2. Step 2: Convert to fraction form
    52,652.14/78,992.06 = 18,921.56/x
  3. Step 3: Cross multiply
    52,652.14x = 78,992.06 × 18,921.56
  4. Step 4: Simplify right side
    52,652.14x = 1,494,652,908.21
  5. Step 5: Solve for x
    x = 1,494,652,908.21/52,652.14
  6. Step 6: Final answer
    x = 28,387.32

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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.