Home / 48,331.80-72,494.10-20,244.60

Finding the Fourth Proportional to 48,331.80, 72,494.10 and 20,244.60

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Solution

The fourth proportional to 48,331.80, 72,494.10 and 20,244.60 is: 30,365.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,331.80 : 72,494.10 = 20,244.60 : x
  2. Step 2: Convert to fraction form
    48,331.80/72,494.10 = 20,244.60/x
  3. Step 3: Cross multiply
    48,331.80x = 72,494.10 × 20,244.60
  4. Step 4: Simplify right side
    48,331.80x = 1,467,614,056.86
  5. Step 5: Solve for x
    x = 1,467,614,056.86/48,331.80
  6. Step 6: Final answer
    x = 30,365.39

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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.