Home / 39,944.72-59,920.44-13,651.28

Finding the Fourth Proportional to 39,944.72, 59,920.44 and 13,651.28

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Solution

The fourth proportional to 39,944.72, 59,920.44 and 13,651.28 is: 20,478.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,944.72 : 59,920.44 = 13,651.28 : x
  2. Step 2: Convert to fraction form
    39,944.72/59,920.44 = 13,651.28/x
  3. Step 3: Cross multiply
    39,944.72x = 59,920.44 × 13,651.28
  4. Step 4: Simplify right side
    39,944.72x = 817,990,704.16
  5. Step 5: Solve for x
    x = 817,990,704.16/39,944.72
  6. Step 6: Final answer
    x = 20,478.07

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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.