Home / 29,257.18-43,910.34-12,629.77

Finding the Fourth Proportional to 29,257.18, 43,910.34 and 12,629.77

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Solution

The fourth proportional to 29,257.18, 43,910.34 and 12,629.77 is: 18,955.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,257.18 : 43,910.34 = 12,629.77 : x
  2. Step 2: Convert to fraction form
    29,257.18/43,910.34 = 12,629.77/x
  3. Step 3: Cross multiply
    29,257.18x = 43,910.34 × 12,629.77
  4. Step 4: Simplify right side
    29,257.18x = 554,577,494.82
  5. Step 5: Solve for x
    x = 554,577,494.82/29,257.18
  6. Step 6: Final answer
    x = 18,955.26

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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.