Home / 52,659.99-78,996.81-19,380.45

Finding the Fourth Proportional to 52,659.99, 78,996.81 and 19,380.45

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Solution

The fourth proportional to 52,659.99, 78,996.81 and 19,380.45 is: 29,073.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,659.99 : 78,996.81 = 19,380.45 : x
  2. Step 2: Convert to fraction form
    52,659.99/78,996.81 = 19,380.45/x
  3. Step 3: Cross multiply
    52,659.99x = 78,996.81 × 19,380.45
  4. Step 4: Simplify right side
    52,659.99x = 1,530,994,095.28
  5. Step 5: Solve for x
    x = 1,530,994,095.28/52,659.99
  6. Step 6: Final answer
    x = 29,073.19

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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.