Home / 51,257.86-76,889.11-15,716.58

Finding the Fourth Proportional to 51,257.86, 76,889.11 and 15,716.58

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Solution

The fourth proportional to 51,257.86, 76,889.11 and 15,716.58 is: 23,575.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,257.86 : 76,889.11 = 15,716.58 : x
  2. Step 2: Convert to fraction form
    51,257.86/76,889.11 = 15,716.58/x
  3. Step 3: Cross multiply
    51,257.86x = 76,889.11 × 15,716.58
  4. Step 4: Simplify right side
    51,257.86x = 1,208,434,140.10
  5. Step 5: Solve for x
    x = 1,208,434,140.10/51,257.86
  6. Step 6: Final answer
    x = 23,575.59

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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.