Home / 51,878.28-71,881.16-50,757.24

Finding the Fourth Proportional to 51,878.28, 71,881.16 and 50,757.24

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Solution

The fourth proportional to 51,878.28, 71,881.16 and 50,757.24 is: 70,327.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,878.28 : 71,881.16 = 50,757.24 : x
  2. Step 2: Convert to fraction form
    51,878.28/71,881.16 = 50,757.24/x
  3. Step 3: Cross multiply
    51,878.28x = 71,881.16 × 50,757.24
  4. Step 4: Simplify right side
    51,878.28x = 3,648,489,289.60
  5. Step 5: Solve for x
    x = 3,648,489,289.60/51,878.28
  6. Step 6: Final answer
    x = 70,327.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.