Home / 30,769.58-46,154.75-8,581.61

Finding the Fourth Proportional to 30,769.58, 46,154.75 and 8,581.61

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Solution

The fourth proportional to 30,769.58, 46,154.75 and 8,581.61 is: 12,872.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,769.58 : 46,154.75 = 8,581.61 : x
  2. Step 2: Convert to fraction form
    30,769.58/46,154.75 = 8,581.61/x
  3. Step 3: Cross multiply
    30,769.58x = 46,154.75 × 8,581.61
  4. Step 4: Simplify right side
    30,769.58x = 396,082,136.63
  5. Step 5: Solve for x
    x = 396,082,136.63/30,769.58
  6. Step 6: Final answer
    x = 12,872.52

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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.