Home / 51,497.22-71,042.56-31,087.05

Finding the Fourth Proportional to 51,497.22, 71,042.56 and 31,087.05

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Solution

The fourth proportional to 51,497.22, 71,042.56 and 31,087.05 is: 42,885.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,497.22 : 71,042.56 = 31,087.05 : x
  2. Step 2: Convert to fraction form
    51,497.22/71,042.56 = 31,087.05/x
  3. Step 3: Cross multiply
    51,497.22x = 71,042.56 × 31,087.05
  4. Step 4: Simplify right side
    51,497.22x = 2,208,503,614.85
  5. Step 5: Solve for x
    x = 2,208,503,614.85/51,497.22
  6. Step 6: Final answer
    x = 42,885.88

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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.