Home / 29,609.88-40,862.20-16,181.72

Finding the Fourth Proportional to 29,609.88, 40,862.20 and 16,181.72

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Solution

The fourth proportional to 29,609.88, 40,862.20 and 16,181.72 is: 22,331.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,609.88 : 40,862.20 = 16,181.72 : x
  2. Step 2: Convert to fraction form
    29,609.88/40,862.20 = 16,181.72/x
  3. Step 3: Cross multiply
    29,609.88x = 40,862.20 × 16,181.72
  4. Step 4: Simplify right side
    29,609.88x = 661,220,678.98
  5. Step 5: Solve for x
    x = 661,220,678.98/29,609.88
  6. Step 6: Final answer
    x = 22,331.08

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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.