Home / 47,446.20-71,191.44-21,148.20

Finding the Fourth Proportional to 47,446.20, 71,191.44 and 21,148.20

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Solution

The fourth proportional to 47,446.20, 71,191.44 and 21,148.20 is: 31,732.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,446.20 : 71,191.44 = 21,148.20 : x
  2. Step 2: Convert to fraction form
    47,446.20/71,191.44 = 21,148.20/x
  3. Step 3: Cross multiply
    47,446.20x = 71,191.44 × 21,148.20
  4. Step 4: Simplify right side
    47,446.20x = 1,505,570,811.41
  5. Step 5: Solve for x
    x = 1,505,570,811.41/47,446.20
  6. Step 6: Final answer
    x = 31,732.17

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1.5x scale

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.