Home / 30,419.93-45,629.21-13,767.91

Finding the Fourth Proportional to 30,419.93, 45,629.21 and 13,767.91

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Solution

The fourth proportional to 30,419.93, 45,629.21 and 13,767.91 is: 20,651.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,419.93 : 45,629.21 = 13,767.91 : x
  2. Step 2: Convert to fraction form
    30,419.93/45,629.21 = 13,767.91/x
  3. Step 3: Cross multiply
    30,419.93x = 45,629.21 × 13,767.91
  4. Step 4: Simplify right side
    30,419.93x = 628,218,777.00
  5. Step 5: Solve for x
    x = 628,218,777.00/30,419.93
  6. Step 6: Final answer
    x = 20,651.55

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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.