Home / 45,485.24-68,235.16-19,193.86

Finding the Fourth Proportional to 45,485.24, 68,235.16 and 19,193.86

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Solution

The fourth proportional to 45,485.24, 68,235.16 and 19,193.86 is: 28,793.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,485.24 : 68,235.16 = 19,193.86 : x
  2. Step 2: Convert to fraction form
    45,485.24/68,235.16 = 19,193.86/x
  3. Step 3: Cross multiply
    45,485.24x = 68,235.16 × 19,193.86
  4. Step 4: Simplify right side
    45,485.24x = 1,309,696,108.12
  5. Step 5: Solve for x
    x = 1,309,696,108.12/45,485.24
  6. Step 6: Final answer
    x = 28,793.87

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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.