Home / 47,828.28-71,739.64-18,249.10

Finding the Fourth Proportional to 47,828.28, 71,739.64 and 18,249.10

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Solution

The fourth proportional to 47,828.28, 71,739.64 and 18,249.10 is: 27,372.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,828.28 : 71,739.64 = 18,249.10 : x
  2. Step 2: Convert to fraction form
    47,828.28/71,739.64 = 18,249.10/x
  3. Step 3: Cross multiply
    47,828.28x = 71,739.64 × 18,249.10
  4. Step 4: Simplify right side
    47,828.28x = 1,309,183,864.32
  5. Step 5: Solve for x
    x = 1,309,183,864.32/47,828.28
  6. Step 6: Final answer
    x = 27,372.59

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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.