Home / 52,231.44-78,378.29-18,954.10

Finding the Fourth Proportional to 52,231.44, 78,378.29 and 18,954.10

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Solution

The fourth proportional to 52,231.44, 78,378.29 and 18,954.10 is: 28,442.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,231.44 : 78,378.29 = 18,954.10 : x
  2. Step 2: Convert to fraction form
    52,231.44/78,378.29 = 18,954.10/x
  3. Step 3: Cross multiply
    52,231.44x = 78,378.29 × 18,954.10
  4. Step 4: Simplify right side
    52,231.44x = 1,485,589,946.49
  5. Step 5: Solve for x
    x = 1,485,589,946.49/52,231.44
  6. Step 6: Final answer
    x = 28,442.45

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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.