Home / 47,287.44-70,887.24-20,977.68

Finding the Fourth Proportional to 47,287.44, 70,887.24 and 20,977.68

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Solution

The fourth proportional to 47,287.44, 70,887.24 and 20,977.68 is: 31,447.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,287.44 : 70,887.24 = 20,977.68 : x
  2. Step 2: Convert to fraction form
    47,287.44/70,887.24 = 20,977.68/x
  3. Step 3: Cross multiply
    47,287.44x = 70,887.24 × 20,977.68
  4. Step 4: Simplify right side
    47,287.44x = 1,487,049,836.80
  5. Step 5: Solve for x
    x = 1,487,049,836.80/47,287.44
  6. Step 6: Final answer
    x = 31,447.04

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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.