Home / 48,265.20-72,415.80-20,188.44

Finding the Fourth Proportional to 48,265.20, 72,415.80 and 20,188.44

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Solution

The fourth proportional to 48,265.20, 72,415.80 and 20,188.44 is: 30,290.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,265.20 : 72,415.80 = 20,188.44 : x
  2. Step 2: Convert to fraction form
    48,265.20/72,415.80 = 20,188.44/x
  3. Step 3: Cross multiply
    48,265.20x = 72,415.80 × 20,188.44
  4. Step 4: Simplify right side
    48,265.20x = 1,461,962,033.35
  5. Step 5: Solve for x
    x = 1,461,962,033.35/48,265.20
  6. Step 6: Final answer
    x = 30,290.19

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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.