Home / 29,109.40-43,622.28-12,464.91

Finding the Fourth Proportional to 29,109.40, 43,622.28 and 12,464.91

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Solution

The fourth proportional to 29,109.40, 43,622.28 and 12,464.91 is: 18,679.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109.40 : 43,622.28 = 12,464.91 : x
  2. Step 2: Convert to fraction form
    29,109.40/43,622.28 = 12,464.91/x
  3. Step 3: Cross multiply
    29,109.40x = 43,622.28 × 12,464.91
  4. Step 4: Simplify right side
    29,109.40x = 543,747,794.19
  5. Step 5: Solve for x
    x = 543,747,794.19/29,109.40
  6. Step 6: Final answer
    x = 18,679.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.