Home / 51,709.92-71,357.80-31,600.46

Finding the Fourth Proportional to 51,709.92, 71,357.80 and 31,600.46

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Solution

The fourth proportional to 51,709.92, 71,357.80 and 31,600.46 is: 43,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,709.92 : 71,357.80 = 31,600.46 : x
  2. Step 2: Convert to fraction form
    51,709.92/71,357.80 = 31,600.46/x
  3. Step 3: Cross multiply
    51,709.92x = 71,357.80 × 31,600.46
  4. Step 4: Simplify right side
    51,709.92x = 2,254,939,304.59
  5. Step 5: Solve for x
    x = 2,254,939,304.59/51,709.92
  6. Step 6: Final answer
    x = 43,607.48

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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.