Home / 47,598.48-71,391.96-12,540.84

Finding the Fourth Proportional to 47,598.48, 71,391.96 and 12,540.84

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Solution

The fourth proportional to 47,598.48, 71,391.96 and 12,540.84 is: 18,809.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,598.48 : 71,391.96 = 12,540.84 : x
  2. Step 2: Convert to fraction form
    47,598.48/71,391.96 = 12,540.84/x
  3. Step 3: Cross multiply
    47,598.48x = 71,391.96 × 12,540.84
  4. Step 4: Simplify right side
    47,598.48x = 895,315,147.65
  5. Step 5: Solve for x
    x = 895,315,147.65/47,598.48
  6. Step 6: Final answer
    x = 18,809.74

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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.