Home / 29,385.40-40,551.42-16,807.72

Finding the Fourth Proportional to 29,385.40, 40,551.42 and 16,807.72

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Solution

The fourth proportional to 29,385.40, 40,551.42 and 16,807.72 is: 23,194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,385.40 : 40,551.42 = 16,807.72 : x
  2. Step 2: Convert to fraction form
    29,385.40/40,551.42 = 16,807.72/x
  3. Step 3: Cross multiply
    29,385.40x = 40,551.42 × 16,807.72
  4. Step 4: Simplify right side
    29,385.40x = 681,576,912.96
  5. Step 5: Solve for x
    x = 681,576,912.96/29,385.40
  6. Step 6: Final answer
    x = 23,194.41

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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.