Home / 50,729.39-76,097.42-13,290.38

Finding the Fourth Proportional to 50,729.39, 76,097.42 and 13,290.38

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Solution

The fourth proportional to 50,729.39, 76,097.42 and 13,290.38 is: 19,936.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,729.39 : 76,097.42 = 13,290.38 : x
  2. Step 2: Convert to fraction form
    50,729.39/76,097.42 = 13,290.38/x
  3. Step 3: Cross multiply
    50,729.39x = 76,097.42 × 13,290.38
  4. Step 4: Simplify right side
    50,729.39x = 1,011,363,591.84
  5. Step 5: Solve for x
    x = 1,011,363,591.84/50,729.39
  6. Step 6: Final answer
    x = 19,936.44

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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.