Home / 30,346.43-45,519.39-9,286.38

Finding the Fourth Proportional to 30,346.43, 45,519.39 and 9,286.38

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Solution

The fourth proportional to 30,346.43, 45,519.39 and 9,286.38 is: 13,929.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,346.43 : 45,519.39 = 9,286.38 : x
  2. Step 2: Convert to fraction form
    30,346.43/45,519.39 = 9,286.38/x
  3. Step 3: Cross multiply
    30,346.43x = 45,519.39 × 9,286.38
  4. Step 4: Simplify right side
    30,346.43x = 422,710,352.91
  5. Step 5: Solve for x
    x = 422,710,352.91/30,346.43
  6. Step 6: Final answer
    x = 13,929.49

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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.