Home / 45,620.61-68,438.25-19,325.58

Finding the Fourth Proportional to 45,620.61, 68,438.25 and 19,325.58

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Solution

The fourth proportional to 45,620.61, 68,438.25 and 19,325.58 is: 28,991.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,620.61 : 68,438.25 = 19,325.58 : x
  2. Step 2: Convert to fraction form
    45,620.61/68,438.25 = 19,325.58/x
  3. Step 3: Cross multiply
    45,620.61x = 68,438.25 × 19,325.58
  4. Step 4: Simplify right side
    45,620.61x = 1,322,608,875.44
  5. Step 5: Solve for x
    x = 1,322,608,875.44/45,620.61
  6. Step 6: Final answer
    x = 28,991.48

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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.