Home / 31,308.72-43,172.28-23,768.88

Finding the Fourth Proportional to 31,308.72, 43,172.28 and 23,768.88

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Solution

The fourth proportional to 31,308.72, 43,172.28 and 23,768.88 is: 32,775.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,308.72 : 43,172.28 = 23,768.88 : x
  2. Step 2: Convert to fraction form
    31,308.72/43,172.28 = 23,768.88/x
  3. Step 3: Cross multiply
    31,308.72x = 43,172.28 × 23,768.88
  4. Step 4: Simplify right side
    31,308.72x = 1,026,156,742.65
  5. Step 5: Solve for x
    x = 1,026,156,742.65/31,308.72
  6. Step 6: Final answer
    x = 32,775.43

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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.