Home / 51,871.74-71,586.63-29,515.74

Finding the Fourth Proportional to 51,871.74, 71,586.63 and 29,515.74

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Solution

The fourth proportional to 51,871.74, 71,586.63 and 29,515.74 is: 40,733.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,871.74 : 71,586.63 = 29,515.74 : x
  2. Step 2: Convert to fraction form
    51,871.74/71,586.63 = 29,515.74/x
  3. Step 3: Cross multiply
    51,871.74x = 71,586.63 × 29,515.74
  4. Step 4: Simplify right side
    51,871.74x = 2,112,932,358.56
  5. Step 5: Solve for x
    x = 2,112,932,358.56/51,871.74
  6. Step 6: Final answer
    x = 40,733.79

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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.