Home / 47,456.40-71,184.60-30,003.60

Finding the Fourth Proportional to 47,456.40, 71,184.60 and 30,003.60

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Solution

The fourth proportional to 47,456.40, 71,184.60 and 30,003.60 is: 45,005.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,456.40 : 71,184.60 = 30,003.60 : x
  2. Step 2: Convert to fraction form
    47,456.40/71,184.60 = 30,003.60/x
  3. Step 3: Cross multiply
    47,456.40x = 71,184.60 × 30,003.60
  4. Step 4: Simplify right side
    47,456.40x = 2,135,794,264.56
  5. Step 5: Solve for x
    x = 2,135,794,264.56/47,456.40
  6. Step 6: Final answer
    x = 45,005.40

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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.