Home / 51,775.20-71,450.64-29,118.96

Finding the Fourth Proportional to 51,775.20, 71,450.64 and 29,118.96

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Solution

The fourth proportional to 51,775.20, 71,450.64 and 29,118.96 is: 40,184.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,775.20 : 71,450.64 = 29,118.96 : x
  2. Step 2: Convert to fraction form
    51,775.20/71,450.64 = 29,118.96/x
  3. Step 3: Cross multiply
    51,775.20x = 71,450.64 × 29,118.96
  4. Step 4: Simplify right side
    51,775.20x = 2,080,568,328.13
  5. Step 5: Solve for x
    x = 2,080,568,328.13/51,775.20
  6. Step 6: Final answer
    x = 40,184.65

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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.