Home / 39,620.24-59,404.44-13,317.92

Finding the Fourth Proportional to 39,620.24, 59,404.44 and 13,317.92

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Solution

The fourth proportional to 39,620.24, 59,404.44 and 13,317.92 is: 19,968.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,620.24 : 59,404.44 = 13,317.92 : x
  2. Step 2: Convert to fraction form
    39,620.24/59,404.44 = 13,317.92/x
  3. Step 3: Cross multiply
    39,620.24x = 59,404.44 × 13,317.92
  4. Step 4: Simplify right side
    39,620.24x = 791,143,579.56
  5. Step 5: Solve for x
    x = 791,143,579.56/39,620.24
  6. Step 6: Final answer
    x = 19,968.17

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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.