Home / 47,688.06-71,540.34-19,623.54

Finding the Fourth Proportional to 47,688.06, 71,540.34 and 19,623.54

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Solution

The fourth proportional to 47,688.06, 71,540.34 and 19,623.54 is: 29,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,688.06 : 71,540.34 = 19,623.54 : x
  2. Step 2: Convert to fraction form
    47,688.06/71,540.34 = 19,623.54/x
  3. Step 3: Cross multiply
    47,688.06x = 71,540.34 × 19,623.54
  4. Step 4: Simplify right side
    47,688.06x = 1,403,874,723.60
  5. Step 5: Solve for x
    x = 1,403,874,723.60/47,688.06
  6. Step 6: Final answer
    x = 29,438.70

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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.