Home / 51,901.28-71,629.06-31,771.46

Finding the Fourth Proportional to 51,901.28, 71,629.06 and 31,771.46

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Solution

The fourth proportional to 51,901.28, 71,629.06 and 31,771.46 is: 43,847.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,901.28 : 71,629.06 = 31,771.46 : x
  2. Step 2: Convert to fraction form
    51,901.28/71,629.06 = 31,771.46/x
  3. Step 3: Cross multiply
    51,901.28x = 71,629.06 × 31,771.46
  4. Step 4: Simplify right side
    51,901.28x = 2,275,759,814.63
  5. Step 5: Solve for x
    x = 2,275,759,814.63/51,901.28
  6. Step 6: Final answer
    x = 43,847.86

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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.