Home / 40,421.19-55,773.84-22,515.75

Finding the Fourth Proportional to 40,421.19, 55,773.84 and 22,515.75

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Solution

The fourth proportional to 40,421.19, 55,773.84 and 22,515.75 is: 31,067.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.19 : 55,773.84 = 22,515.75 : x
  2. Step 2: Convert to fraction form
    40,421.19/55,773.84 = 22,515.75/x
  3. Step 3: Cross multiply
    40,421.19x = 55,773.84 × 22,515.75
  4. Step 4: Simplify right side
    40,421.19x = 1,255,789,837.98
  5. Step 5: Solve for x
    x = 1,255,789,837.98/40,421.19
  6. Step 6: Final answer
    x = 31,067.61

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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.