Home / 51,245.28-76,871.88-19,670.52

Finding the Fourth Proportional to 51,245.28, 76,871.88 and 19,670.52

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Solution

The fourth proportional to 51,245.28, 76,871.88 and 19,670.52 is: 29,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,245.28 : 76,871.88 = 19,670.52 : x
  2. Step 2: Convert to fraction form
    51,245.28/76,871.88 = 19,670.52/x
  3. Step 3: Cross multiply
    51,245.28x = 76,871.88 × 19,670.52
  4. Step 4: Simplify right side
    51,245.28x = 1,512,109,852.98
  5. Step 5: Solve for x
    x = 1,512,109,852.98/51,245.28
  6. Step 6: Final answer
    x = 29,507.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.