Home / 51,188.60-76,780.09-15,649.90

Finding the Fourth Proportional to 51,188.60, 76,780.09 and 15,649.90

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Solution

The fourth proportional to 51,188.60, 76,780.09 and 15,649.90 is: 23,473.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,188.60 : 76,780.09 = 15,649.90 : x
  2. Step 2: Convert to fraction form
    51,188.60/76,780.09 = 15,649.90/x
  3. Step 3: Cross multiply
    51,188.60x = 76,780.09 × 15,649.90
  4. Step 4: Simplify right side
    51,188.60x = 1,201,600,414.14
  5. Step 5: Solve for x
    x = 1,201,600,414.14/51,188.60
  6. Step 6: Final answer
    x = 23,473.99

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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.