Home / 29,156.16-40,234.24-16,580.80

Finding the Fourth Proportional to 29,156.16, 40,234.24 and 16,580.80

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Solution

The fourth proportional to 29,156.16, 40,234.24 and 16,580.80 is: 22,880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,156.16 : 40,234.24 = 16,580.80 : x
  2. Step 2: Convert to fraction form
    29,156.16/40,234.24 = 16,580.80/x
  3. Step 3: Cross multiply
    29,156.16x = 40,234.24 × 16,580.80
  4. Step 4: Simplify right side
    29,156.16x = 667,115,886.59
  5. Step 5: Solve for x
    x = 667,115,886.59/29,156.16
  6. Step 6: Final answer
    x = 22,880.79

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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.