Home / 52,231.42-78,378.25-18,954.08

Finding the Fourth Proportional to 52,231.42, 78,378.25 and 18,954.08

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Solution

The fourth proportional to 52,231.42, 78,378.25 and 18,954.08 is: 28,442.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,231.42 : 78,378.25 = 18,954.08 : x
  2. Step 2: Convert to fraction form
    52,231.42/78,378.25 = 18,954.08/x
  3. Step 3: Cross multiply
    52,231.42x = 78,378.25 × 18,954.08
  4. Step 4: Simplify right side
    52,231.42x = 1,485,587,290.50
  5. Step 5: Solve for x
    x = 1,485,587,290.50/52,231.42
  6. Step 6: Final answer
    x = 28,442.41

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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.