Home / 47,380.44-71,070.05-13,647.29

Finding the Fourth Proportional to 47,380.44, 71,070.05 and 13,647.29

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Solution

The fourth proportional to 47,380.44, 71,070.05 and 13,647.29 is: 20,470.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,380.44 : 71,070.05 = 13,647.29 : x
  2. Step 2: Convert to fraction form
    47,380.44/71,070.05 = 13,647.29/x
  3. Step 3: Cross multiply
    47,380.44x = 71,070.05 × 13,647.29
  4. Step 4: Simplify right side
    47,380.44x = 969,913,159.08
  5. Step 5: Solve for x
    x = 969,913,159.08/47,380.44
  6. Step 6: Final answer
    x = 20,470.75

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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.