Home / 47,633.28-71,455.44-18,073.20

Finding the Fourth Proportional to 47,633.28, 71,455.44 and 18,073.20

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Solution

The fourth proportional to 47,633.28, 71,455.44 and 18,073.20 is: 27,111.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,633.28 : 71,455.44 = 18,073.20 : x
  2. Step 2: Convert to fraction form
    47,633.28/71,455.44 = 18,073.20/x
  3. Step 3: Cross multiply
    47,633.28x = 71,455.44 × 18,073.20
  4. Step 4: Simplify right side
    47,633.28x = 1,291,428,458.21
  5. Step 5: Solve for x
    x = 1,291,428,458.21/47,633.28
  6. Step 6: Final answer
    x = 27,111.89

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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.