Home / 30,288.38-45,439.92-9,511.88

Finding the Fourth Proportional to 30,288.38, 45,439.92 and 9,511.88

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Solution

The fourth proportional to 30,288.38, 45,439.92 and 9,511.88 is: 14,270.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,288.38 : 45,439.92 = 9,511.88 : x
  2. Step 2: Convert to fraction form
    30,288.38/45,439.92 = 9,511.88/x
  3. Step 3: Cross multiply
    30,288.38x = 45,439.92 × 9,511.88
  4. Step 4: Simplify right side
    30,288.38x = 432,218,839.05
  5. Step 5: Solve for x
    x = 432,218,839.05/30,288.38
  6. Step 6: Final answer
    x = 14,270.12

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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.