Home / 43,016.72-64,523.72-11,851.70

Finding the Fourth Proportional to 43,016.72, 64,523.72 and 11,851.70

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Solution

The fourth proportional to 43,016.72, 64,523.72 and 11,851.70 is: 17,777.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,016.72 : 64,523.72 = 11,851.70 : x
  2. Step 2: Convert to fraction form
    43,016.72/64,523.72 = 11,851.70/x
  3. Step 3: Cross multiply
    43,016.72x = 64,523.72 × 11,851.70
  4. Step 4: Simplify right side
    43,016.72x = 764,715,479.33
  5. Step 5: Solve for x
    x = 764,715,479.33/43,016.72
  6. Step 6: Final answer
    x = 17,777.17

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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.