Home / 51,519.18-71,096.44-31,376.05

Finding the Fourth Proportional to 51,519.18, 71,096.44 and 31,376.05

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Solution

The fourth proportional to 51,519.18, 71,096.44 and 31,376.05 is: 43,298.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,519.18 : 71,096.44 = 31,376.05 : x
  2. Step 2: Convert to fraction form
    51,519.18/71,096.44 = 31,376.05/x
  3. Step 3: Cross multiply
    51,519.18x = 71,096.44 × 31,376.05
  4. Step 4: Simplify right side
    51,519.18x = 2,230,725,456.26
  5. Step 5: Solve for x
    x = 2,230,725,456.26/51,519.18
  6. Step 6: Final answer
    x = 43,298.93

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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.