Home / 52,134.90-78,202.34-18,847.17

Finding the Fourth Proportional to 52,134.90, 78,202.34 and 18,847.17

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Solution

The fourth proportional to 52,134.90, 78,202.34 and 18,847.17 is: 28,270.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,134.90 : 78,202.34 = 18,847.17 : x
  2. Step 2: Convert to fraction form
    52,134.90/78,202.34 = 18,847.17/x
  3. Step 3: Cross multiply
    52,134.90x = 78,202.34 × 18,847.17
  4. Step 4: Simplify right side
    52,134.90x = 1,473,892,796.38
  5. Step 5: Solve for x
    x = 1,473,892,796.38/52,134.90
  6. Step 6: Final answer
    x = 28,270.75

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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.