Home / 30,516.53-45,781.79-11,796.72

Finding the Fourth Proportional to 30,516.53, 45,781.79 and 11,796.72

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Solution

The fourth proportional to 30,516.53, 45,781.79 and 11,796.72 is: 17,697.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,516.53 : 45,781.79 = 11,796.72 : x
  2. Step 2: Convert to fraction form
    30,516.53/45,781.79 = 11,796.72/x
  3. Step 3: Cross multiply
    30,516.53x = 45,781.79 × 11,796.72
  4. Step 4: Simplify right side
    30,516.53x = 540,074,898.75
  5. Step 5: Solve for x
    x = 540,074,898.75/30,516.53
  6. Step 6: Final answer
    x = 17,697.79

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1.5x scale

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.