Home / 48,549.48-72,852.54-20,467.80

Finding the Fourth Proportional to 48,549.48, 72,852.54 and 20,467.80

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Solution

The fourth proportional to 48,549.48, 72,852.54 and 20,467.80 is: 30,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,549.48 : 72,852.54 = 20,467.80 : x
  2. Step 2: Convert to fraction form
    48,549.48/72,852.54 = 20,467.80/x
  3. Step 3: Cross multiply
    48,549.48x = 72,852.54 × 20,467.80
  4. Step 4: Simplify right side
    48,549.48x = 1,491,131,218.21
  5. Step 5: Solve for x
    x = 1,491,131,218.21/48,549.48
  6. Step 6: Final answer
    x = 30,713.64

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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.