Home / 29,137.56-40,216.20-18,525.12

Finding the Fourth Proportional to 29,137.56, 40,216.20 and 18,525.12

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Solution

The fourth proportional to 29,137.56, 40,216.20 and 18,525.12 is: 25,568.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,137.56 : 40,216.20 = 18,525.12 : x
  2. Step 2: Convert to fraction form
    29,137.56/40,216.20 = 18,525.12/x
  3. Step 3: Cross multiply
    29,137.56x = 40,216.20 × 18,525.12
  4. Step 4: Simplify right side
    29,137.56x = 745,009,930.94
  5. Step 5: Solve for x
    x = 745,009,930.94/29,137.56
  6. Step 6: Final answer
    x = 25,568.71

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Double scale
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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.