Home / 47,693.20-71,497.20-18,090.96

Finding the Fourth Proportional to 47,693.20, 71,497.20 and 18,090.96

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Solution

The fourth proportional to 47,693.20, 71,497.20 and 18,090.96 is: 27,120.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,693.20 : 71,497.20 = 18,090.96 : x
  2. Step 2: Convert to fraction form
    47,693.20/71,497.20 = 18,090.96/x
  3. Step 3: Cross multiply
    47,693.20x = 71,497.20 × 18,090.96
  4. Step 4: Simplify right side
    47,693.20x = 1,293,452,985.31
  5. Step 5: Solve for x
    x = 1,293,452,985.31/47,693.20
  6. Step 6: Final answer
    x = 27,120.28

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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.