Home / 51,725.28-71,383.94-38,955.94

Finding the Fourth Proportional to 51,725.28, 71,383.94 and 38,955.94

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Solution

The fourth proportional to 51,725.28, 71,383.94 and 38,955.94 is: 53,761.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,725.28 : 71,383.94 = 38,955.94 : x
  2. Step 2: Convert to fraction form
    51,725.28/71,383.94 = 38,955.94/x
  3. Step 3: Cross multiply
    51,725.28x = 71,383.94 × 38,955.94
  4. Step 4: Simplify right side
    51,725.28x = 2,780,828,483.60
  5. Step 5: Solve for x
    x = 2,780,828,483.60/51,725.28
  6. Step 6: Final answer
    x = 53,761.50

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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.