Home / 51,026.20-76,539.46-15,487.80

Finding the Fourth Proportional to 51,026.20, 76,539.46 and 15,487.80

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Solution

The fourth proportional to 51,026.20, 76,539.46 and 15,487.80 is: 23,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,026.20 : 76,539.46 = 15,487.80 : x
  2. Step 2: Convert to fraction form
    51,026.20/76,539.46 = 15,487.80/x
  3. Step 3: Cross multiply
    51,026.20x = 76,539.46 × 15,487.80
  4. Step 4: Simplify right side
    51,026.20x = 1,185,427,848.59
  5. Step 5: Solve for x
    x = 1,185,427,848.59/51,026.20
  6. Step 6: Final answer
    x = 23,231.75

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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.