Home / 29,609.81-40,860.84-16,181.11

Finding the Fourth Proportional to 29,609.81, 40,860.84 and 16,181.11

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Solution

The fourth proportional to 29,609.81, 40,860.84 and 16,181.11 is: 22,329.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,609.81 : 40,860.84 = 16,181.11 : x
  2. Step 2: Convert to fraction form
    29,609.81/40,860.84 = 16,181.11/x
  3. Step 3: Cross multiply
    29,609.81x = 40,860.84 × 16,181.11
  4. Step 4: Simplify right side
    29,609.81x = 661,173,746.73
  5. Step 5: Solve for x
    x = 661,173,746.73/29,609.81
  6. Step 6: Final answer
    x = 22,329.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.