Home / 48,839.60-73,252.20-13,782.80

Finding the Fourth Proportional to 48,839.60, 73,252.20 and 13,782.80

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Solution

The fourth proportional to 48,839.60, 73,252.20 and 13,782.80 is: 20,672.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,839.60 : 73,252.20 = 13,782.80 : x
  2. Step 2: Convert to fraction form
    48,839.60/73,252.20 = 13,782.80/x
  3. Step 3: Cross multiply
    48,839.60x = 73,252.20 × 13,782.80
  4. Step 4: Simplify right side
    48,839.60x = 1,009,620,422.16
  5. Step 5: Solve for x
    x = 1,009,620,422.16/48,839.60
  6. Step 6: Final answer
    x = 20,672.17

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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.