Home / 29,581.21-40,822.20-16,152.76

Finding the Fourth Proportional to 29,581.21, 40,822.20 and 16,152.76

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Solution

The fourth proportional to 29,581.21, 40,822.20 and 16,152.76 is: 22,290.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,581.21 : 40,822.20 = 16,152.76 : x
  2. Step 2: Convert to fraction form
    29,581.21/40,822.20 = 16,152.76/x
  3. Step 3: Cross multiply
    29,581.21x = 40,822.20 × 16,152.76
  4. Step 4: Simplify right side
    29,581.21x = 659,391,199.27
  5. Step 5: Solve for x
    x = 659,391,199.27/29,581.21
  6. Step 6: Final answer
    x = 22,290.88

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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.