Home / 30,937.10-46,414.92-12,219.80

Finding the Fourth Proportional to 30,937.10, 46,414.92 and 12,219.80

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Solution

The fourth proportional to 30,937.10, 46,414.92 and 12,219.80 is: 18,333.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,937.10 : 46,414.92 = 12,219.80 : x
  2. Step 2: Convert to fraction form
    30,937.10/46,414.92 = 12,219.80/x
  3. Step 3: Cross multiply
    30,937.10x = 46,414.92 × 12,219.80
  4. Step 4: Simplify right side
    30,937.10x = 567,181,039.42
  5. Step 5: Solve for x
    x = 567,181,039.42/30,937.10
  6. Step 6: Final answer
    x = 18,333.36

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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.