Home / 47,433.72-71,133.80-20,792.64

Finding the Fourth Proportional to 47,433.72, 71,133.80 and 20,792.64

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Solution

The fourth proportional to 47,433.72, 71,133.80 and 20,792.64 is: 31,181.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,433.72 : 71,133.80 = 20,792.64 : x
  2. Step 2: Convert to fraction form
    47,433.72/71,133.80 = 20,792.64/x
  3. Step 3: Cross multiply
    47,433.72x = 71,133.80 × 20,792.64
  4. Step 4: Simplify right side
    47,433.72x = 1,479,059,495.23
  5. Step 5: Solve for x
    x = 1,479,059,495.23/47,433.72
  6. Step 6: Final answer
    x = 31,181.60

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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.