Home / 29,157.06-40,229.58-16,407.75

Finding the Fourth Proportional to 29,157.06, 40,229.58 and 16,407.75

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Solution

The fourth proportional to 29,157.06, 40,229.58 and 16,407.75 is: 22,638.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,157.06 : 40,229.58 = 16,407.75 : x
  2. Step 2: Convert to fraction form
    29,157.06/40,229.58 = 16,407.75/x
  3. Step 3: Cross multiply
    29,157.06x = 40,229.58 × 16,407.75
  4. Step 4: Simplify right side
    29,157.06x = 660,076,891.25
  5. Step 5: Solve for x
    x = 660,076,891.25/29,157.06
  6. Step 6: Final answer
    x = 22,638.66

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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.