Home / 30,118.43-45,169.76-9,052.83

Finding the Fourth Proportional to 30,118.43, 45,169.76 and 9,052.83

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Solution

The fourth proportional to 30,118.43, 45,169.76 and 9,052.83 is: 13,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,118.43 : 45,169.76 = 9,052.83 : x
  2. Step 2: Convert to fraction form
    30,118.43/45,169.76 = 9,052.83/x
  3. Step 3: Cross multiply
    30,118.43x = 45,169.76 × 9,052.83
  4. Step 4: Simplify right side
    30,118.43x = 408,914,113.16
  5. Step 5: Solve for x
    x = 408,914,113.16/30,118.43
  6. Step 6: Final answer
    x = 13,576.88

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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.