Home / 47,622.82-71,427.20-12,564.94

Finding the Fourth Proportional to 47,622.82, 71,427.20 and 12,564.94

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Solution

The fourth proportional to 47,622.82, 71,427.20 and 12,564.94 is: 18,845.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,622.82 : 71,427.20 = 12,564.94 : x
  2. Step 2: Convert to fraction form
    47,622.82/71,427.20 = 12,564.94/x
  3. Step 3: Cross multiply
    47,622.82x = 71,427.20 × 12,564.94
  4. Step 4: Simplify right side
    47,622.82x = 897,478,156.64
  5. Step 5: Solve for x
    x = 897,478,156.64/47,622.82
  6. Step 6: Final answer
    x = 18,845.55

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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.