Home / 47,434.20-71,173.44-21,136.20

Finding the Fourth Proportional to 47,434.20, 71,173.44 and 21,136.20

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Solution

The fourth proportional to 47,434.20, 71,173.44 and 21,136.20 is: 31,714.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,434.20 : 71,173.44 = 21,136.20 : x
  2. Step 2: Convert to fraction form
    47,434.20/71,173.44 = 21,136.20/x
  3. Step 3: Cross multiply
    47,434.20x = 71,173.44 × 21,136.20
  4. Step 4: Simplify right side
    47,434.20x = 1,504,336,062.53
  5. Step 5: Solve for x
    x = 1,504,336,062.53/47,434.20
  6. Step 6: Final answer
    x = 31,714.17

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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.