Home / 47,380.88-71,095.98-19,321.64

Finding the Fourth Proportional to 47,380.88, 71,095.98 and 19,321.64

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Solution

The fourth proportional to 47,380.88, 71,095.98 and 19,321.64 is: 28,992.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,380.88 : 71,095.98 = 19,321.64 : x
  2. Step 2: Convert to fraction form
    47,380.88/71,095.98 = 19,321.64/x
  3. Step 3: Cross multiply
    47,380.88x = 71,095.98 × 19,321.64
  4. Step 4: Simplify right side
    47,380.88x = 1,373,690,931.01
  5. Step 5: Solve for x
    x = 1,373,690,931.01/47,380.88
  6. Step 6: Final answer
    x = 28,992.52

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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.