Home / 45,548.72-68,336.31-18,889.82

Finding the Fourth Proportional to 45,548.72, 68,336.31 and 18,889.82

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Solution

The fourth proportional to 45,548.72, 68,336.31 and 18,889.82 is: 28,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,548.72 : 68,336.31 = 18,889.82 : x
  2. Step 2: Convert to fraction form
    45,548.72/68,336.31 = 18,889.82/x
  3. Step 3: Cross multiply
    45,548.72x = 68,336.31 × 18,889.82
  4. Step 4: Simplify right side
    45,548.72x = 1,290,860,595.36
  5. Step 5: Solve for x
    x = 1,290,860,595.36/45,548.72
  6. Step 6: Final answer
    x = 28,340.22

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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.