Home / 30,770.57-46,156.22-8,582.59

Finding the Fourth Proportional to 30,770.57, 46,156.22 and 8,582.59

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Solution

The fourth proportional to 30,770.57, 46,156.22 and 8,582.59 is: 12,873.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,770.57 : 46,156.22 = 8,582.59 : x
  2. Step 2: Convert to fraction form
    30,770.57/46,156.22 = 8,582.59/x
  3. Step 3: Cross multiply
    30,770.57x = 46,156.22 × 8,582.59
  4. Step 4: Simplify right side
    30,770.57x = 396,139,959.18
  5. Step 5: Solve for x
    x = 396,139,959.18/30,770.57
  6. Step 6: Final answer
    x = 12,873.99

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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.