Home / 30,329.12-41,551.04-29,192.78

Finding the Fourth Proportional to 30,329.12, 41,551.04 and 29,192.78

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Solution

The fourth proportional to 30,329.12, 41,551.04 and 29,192.78 is: 39,994.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,329.12 : 41,551.04 = 29,192.78 : x
  2. Step 2: Convert to fraction form
    30,329.12/41,551.04 = 29,192.78/x
  3. Step 3: Cross multiply
    30,329.12x = 41,551.04 × 29,192.78
  4. Step 4: Simplify right side
    30,329.12x = 1,212,990,369.49
  5. Step 5: Solve for x
    x = 1,212,990,369.49/30,329.12
  6. Step 6: Final answer
    x = 39,994.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.