Home / 52,258.41-78,387.62-18,972.27

Finding the Fourth Proportional to 52,258.41, 78,387.62 and 18,972.27

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Solution

The fourth proportional to 52,258.41, 78,387.62 and 18,972.27 is: 28,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,258.41 : 78,387.62 = 18,972.27 : x
  2. Step 2: Convert to fraction form
    52,258.41/78,387.62 = 18,972.27/x
  3. Step 3: Cross multiply
    52,258.41x = 78,387.62 × 18,972.27
  4. Step 4: Simplify right side
    52,258.41x = 1,487,190,996.44
  5. Step 5: Solve for x
    x = 1,487,190,996.44/52,258.41
  6. Step 6: Final answer
    x = 28,458.41

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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.