Home / 30,799.04-46,201.48-8,612.42

Finding the Fourth Proportional to 30,799.04, 46,201.48 and 8,612.42

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Solution

The fourth proportional to 30,799.04, 46,201.48 and 8,612.42 is: 12,919.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,799.04 : 46,201.48 = 8,612.42 : x
  2. Step 2: Convert to fraction form
    30,799.04/46,201.48 = 8,612.42/x
  3. Step 3: Cross multiply
    30,799.04x = 46,201.48 × 8,612.42
  4. Step 4: Simplify right side
    30,799.04x = 397,906,276.31
  5. Step 5: Solve for x
    x = 397,906,276.31/30,799.04
  6. Step 6: Final answer
    x = 12,919.44

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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.