Home / 30,338.67-45,528.49-10,617.40

Finding the Fourth Proportional to 30,338.67, 45,528.49 and 10,617.40

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Solution

The fourth proportional to 30,338.67, 45,528.49 and 10,617.40 is: 15,933.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,338.67 : 45,528.49 = 10,617.40 : x
  2. Step 2: Convert to fraction form
    30,338.67/45,528.49 = 10,617.40/x
  3. Step 3: Cross multiply
    30,338.67x = 45,528.49 × 10,617.40
  4. Step 4: Simplify right side
    30,338.67x = 483,394,189.73
  5. Step 5: Solve for x
    x = 483,394,189.73/30,338.67
  6. Step 6: Final answer
    x = 15,933.27

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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.