Home / 55,449.24-76,519.88-31,575.92

Finding the Fourth Proportional to 55,449.24, 76,519.88 and 31,575.92

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Solution

The fourth proportional to 55,449.24, 76,519.88 and 31,575.92 is: 43,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,449.24 : 76,519.88 = 31,575.92 : x
  2. Step 2: Convert to fraction form
    55,449.24/76,519.88 = 31,575.92/x
  3. Step 3: Cross multiply
    55,449.24x = 76,519.88 × 31,575.92
  4. Step 4: Simplify right side
    55,449.24x = 2,416,185,609.29
  5. Step 5: Solve for x
    x = 2,416,185,609.29/55,449.24
  6. Step 6: Final answer
    x = 43,574.73

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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.