Home / 31,449.01-43,405.83-18,029.27

Finding the Fourth Proportional to 31,449.01, 43,405.83 and 18,029.27

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Solution

The fourth proportional to 31,449.01, 43,405.83 and 18,029.27 is: 24,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449.01 : 43,405.83 = 18,029.27 : x
  2. Step 2: Convert to fraction form
    31,449.01/43,405.83 = 18,029.27/x
  3. Step 3: Cross multiply
    31,449.01x = 43,405.83 × 18,029.27
  4. Step 4: Simplify right side
    31,449.01x = 782,575,428.64
  5. Step 5: Solve for x
    x = 782,575,428.64/31,449.01
  6. Step 6: Final answer
    x = 24,883.95

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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.