Home / 30,584.12-45,874.13-8,395.65

Finding the Fourth Proportional to 30,584.12, 45,874.13 and 8,395.65

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Solution

The fourth proportional to 30,584.12, 45,874.13 and 8,395.65 is: 12,592.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,584.12 : 45,874.13 = 8,395.65 : x
  2. Step 2: Convert to fraction form
    30,584.12/45,874.13 = 8,395.65/x
  3. Step 3: Cross multiply
    30,584.12x = 45,874.13 × 8,395.65
  4. Step 4: Simplify right side
    30,584.12x = 385,143,097.56
  5. Step 5: Solve for x
    x = 385,143,097.56/30,584.12
  6. Step 6: Final answer
    x = 12,592.91

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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.