Home / 34,117.21-51,231.39-21,052.63

Finding the Fourth Proportional to 34,117.21, 51,231.39 and 21,052.63

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Solution

The fourth proportional to 34,117.21, 51,231.39 and 21,052.63 is: 31,613.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,117.21 : 51,231.39 = 21,052.63 : x
  2. Step 2: Convert to fraction form
    34,117.21/51,231.39 = 21,052.63/x
  3. Step 3: Cross multiply
    34,117.21x = 51,231.39 × 21,052.63
  4. Step 4: Simplify right side
    34,117.21x = 1,078,555,498.06
  5. Step 5: Solve for x
    x = 1,078,555,498.06/34,117.21
  6. Step 6: Final answer
    x = 31,613.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.