Home / 52,372.14-78,511.74-19,086

Finding the Fourth Proportional to 52,372.14, 78,511.74 and 19,086

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Solution

The fourth proportional to 52,372.14, 78,511.74 and 19,086 is: 28,612.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,372.14 : 78,511.74 = 19,086 : x
  2. Step 2: Convert to fraction form
    52,372.14/78,511.74 = 19,086/x
  3. Step 3: Cross multiply
    52,372.14x = 78,511.74 × 19,086
  4. Step 4: Simplify right side
    52,372.14x = 1,498,475,069.64
  5. Step 5: Solve for x
    x = 1,498,475,069.64/52,372.14
  6. Step 6: Final answer
    x = 28,612.06

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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.