Home / 31,191.39-43,044.75-17,045.16

Finding the Fourth Proportional to 31,191.39, 43,044.75 and 17,045.16

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Solution

The fourth proportional to 31,191.39, 43,044.75 and 17,045.16 is: 23,522.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,191.39 : 43,044.75 = 17,045.16 : x
  2. Step 2: Convert to fraction form
    31,191.39/43,044.75 = 17,045.16/x
  3. Step 3: Cross multiply
    31,191.39x = 43,044.75 × 17,045.16
  4. Step 4: Simplify right side
    31,191.39x = 733,704,650.91
  5. Step 5: Solve for x
    x = 733,704,650.91/31,191.39
  6. Step 6: Final answer
    x = 23,522.67

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Half scale
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Double scale
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Similar ratio
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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.