Home / 29,579.46-40,814.38-16,830.61

Finding the Fourth Proportional to 29,579.46, 40,814.38 and 16,830.61

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Solution

The fourth proportional to 29,579.46, 40,814.38 and 16,830.61 is: 23,223.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,579.46 : 40,814.38 = 16,830.61 : x
  2. Step 2: Convert to fraction form
    29,579.46/40,814.38 = 16,830.61/x
  3. Step 3: Cross multiply
    29,579.46x = 40,814.38 × 16,830.61
  4. Step 4: Simplify right side
    29,579.46x = 686,930,912.17
  5. Step 5: Solve for x
    x = 686,930,912.17/29,579.46
  6. Step 6: Final answer
    x = 23,223.24

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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.