Home / 52,190.87-78,292.40-16,639.79

Finding the Fourth Proportional to 52,190.87, 78,292.40 and 16,639.79

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Solution

The fourth proportional to 52,190.87, 78,292.40 and 16,639.79 is: 24,961.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,190.87 : 78,292.40 = 16,639.79 : x
  2. Step 2: Convert to fraction form
    52,190.87/78,292.40 = 16,639.79/x
  3. Step 3: Cross multiply
    52,190.87x = 78,292.40 × 16,639.79
  4. Step 4: Simplify right side
    52,190.87x = 1,302,768,619.94
  5. Step 5: Solve for x
    x = 1,302,768,619.94/52,190.87
  6. Step 6: Final answer
    x = 24,961.62

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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.