Home / 47,805.93-71,719.31-15,786.41

Finding the Fourth Proportional to 47,805.93, 71,719.31 and 15,786.41

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Solution

The fourth proportional to 47,805.93, 71,719.31 and 15,786.41 is: 23,683.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,805.93 : 71,719.31 = 15,786.41 : x
  2. Step 2: Convert to fraction form
    47,805.93/71,719.31 = 15,786.41/x
  3. Step 3: Cross multiply
    47,805.93x = 71,719.31 × 15,786.41
  4. Step 4: Simplify right side
    47,805.93x = 1,132,190,113.45
  5. Step 5: Solve for x
    x = 1,132,190,113.45/47,805.93
  6. Step 6: Final answer
    x = 23,683.05

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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.