Home / 29,615.08-40,867.50-16,185.72

Finding the Fourth Proportional to 29,615.08, 40,867.50 and 16,185.72

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Solution

The fourth proportional to 29,615.08, 40,867.50 and 16,185.72 is: 22,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,615.08 : 40,867.50 = 16,185.72 : x
  2. Step 2: Convert to fraction form
    29,615.08/40,867.50 = 16,185.72/x
  3. Step 3: Cross multiply
    29,615.08x = 40,867.50 × 16,185.72
  4. Step 4: Simplify right side
    29,615.08x = 661,469,912.10
  5. Step 5: Solve for x
    x = 661,469,912.10/29,615.08
  6. Step 6: Final answer
    x = 22,335.58

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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.