Home / 52,729.81-79,093.80-13,286.05

Finding the Fourth Proportional to 52,729.81, 79,093.80 and 13,286.05

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Solution

The fourth proportional to 52,729.81, 79,093.80 and 13,286.05 is: 19,928.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,729.81 : 79,093.80 = 13,286.05 : x
  2. Step 2: Convert to fraction form
    52,729.81/79,093.80 = 13,286.05/x
  3. Step 3: Cross multiply
    52,729.81x = 79,093.80 × 13,286.05
  4. Step 4: Simplify right side
    52,729.81x = 1,050,844,181.49
  5. Step 5: Solve for x
    x = 1,050,844,181.49/52,729.81
  6. Step 6: Final answer
    x = 19,928.84

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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.