Home / 50,646.49-75,969.79-13,206.53

Finding the Fourth Proportional to 50,646.49, 75,969.79 and 13,206.53

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Solution

The fourth proportional to 50,646.49, 75,969.79 and 13,206.53 is: 19,809.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,646.49 : 75,969.79 = 13,206.53 : x
  2. Step 2: Convert to fraction form
    50,646.49/75,969.79 = 13,206.53/x
  3. Step 3: Cross multiply
    50,646.49x = 75,969.79 × 13,206.53
  4. Step 4: Simplify right side
    50,646.49x = 1,003,297,310.73
  5. Step 5: Solve for x
    x = 1,003,297,310.73/50,646.49
  6. Step 6: Final answer
    x = 19,809.81

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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.