Home / 45,202.86-67,813.38-15,621.84

Finding the Fourth Proportional to 45,202.86, 67,813.38 and 15,621.84

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Solution

The fourth proportional to 45,202.86, 67,813.38 and 15,621.84 is: 23,435.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,202.86 : 67,813.38 = 15,621.84 : x
  2. Step 2: Convert to fraction form
    45,202.86/67,813.38 = 15,621.84/x
  3. Step 3: Cross multiply
    45,202.86x = 67,813.38 × 15,621.84
  4. Step 4: Simplify right side
    45,202.86x = 1,059,369,772.22
  5. Step 5: Solve for x
    x = 1,059,369,772.22/45,202.86
  6. Step 6: Final answer
    x = 23,435.90

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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.