Home / 30,329.17-45,493.21-12,799.15

Finding the Fourth Proportional to 30,329.17, 45,493.21 and 12,799.15

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Solution

The fourth proportional to 30,329.17, 45,493.21 and 12,799.15 is: 19,198.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329.17 : 45,493.21 = 12,799.15 : x
  2. Step 2: Convert to fraction form
    30,329.17/45,493.21 = 12,799.15/x
  3. Step 3: Cross multiply
    30,329.17x = 45,493.21 × 12,799.15
  4. Step 4: Simplify right side
    30,329.17x = 582,274,159.31
  5. Step 5: Solve for x
    x = 582,274,159.31/30,329.17
  6. Step 6: Final answer
    x = 19,198.49

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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.