Home / 48,817.60-73,238.40-13,756.80

Finding the Fourth Proportional to 48,817.60, 73,238.40 and 13,756.80

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Solution

The fourth proportional to 48,817.60, 73,238.40 and 13,756.80 is: 20,638.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,817.60 : 73,238.40 = 13,756.80 : x
  2. Step 2: Convert to fraction form
    48,817.60/73,238.40 = 13,756.80/x
  3. Step 3: Cross multiply
    48,817.60x = 73,238.40 × 13,756.80
  4. Step 4: Simplify right side
    48,817.60x = 1,007,526,021.12
  5. Step 5: Solve for x
    x = 1,007,526,021.12/48,817.60
  6. Step 6: Final answer
    x = 20,638.58

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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.