Home / 49,145.44-73,720.68-14,090.32

Finding the Fourth Proportional to 49,145.44, 73,720.68 and 14,090.32

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Solution

The fourth proportional to 49,145.44, 73,720.68 and 14,090.32 is: 21,136.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,145.44 : 73,720.68 = 14,090.32 : x
  2. Step 2: Convert to fraction form
    49,145.44/73,720.68 = 14,090.32/x
  3. Step 3: Cross multiply
    49,145.44x = 73,720.68 × 14,090.32
  4. Step 4: Simplify right side
    49,145.44x = 1,038,747,971.82
  5. Step 5: Solve for x
    x = 1,038,747,971.82/49,145.44
  6. Step 6: Final answer
    x = 21,136.20

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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.