Home / 52,372.97-78,559.62-12,930.09

Finding the Fourth Proportional to 52,372.97, 78,559.62 and 12,930.09

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Solution

The fourth proportional to 52,372.97, 78,559.62 and 12,930.09 is: 19,395.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,372.97 : 78,559.62 = 12,930.09 : x
  2. Step 2: Convert to fraction form
    52,372.97/78,559.62 = 12,930.09/x
  3. Step 3: Cross multiply
    52,372.97x = 78,559.62 × 12,930.09
  4. Step 4: Simplify right side
    52,372.97x = 1,015,782,956.97
  5. Step 5: Solve for x
    x = 1,015,782,956.97/52,372.97
  6. Step 6: Final answer
    x = 19,395.18

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1.5x scale

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.