Home / 51,197.82-76,809.69-21,600.42

Finding the Fourth Proportional to 51,197.82, 76,809.69 and 21,600.42

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Solution

The fourth proportional to 51,197.82, 76,809.69 and 21,600.42 is: 32,406.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,197.82 : 76,809.69 = 21,600.42 : x
  2. Step 2: Convert to fraction form
    51,197.82/76,809.69 = 21,600.42/x
  3. Step 3: Cross multiply
    51,197.82x = 76,809.69 × 21,600.42
  4. Step 4: Simplify right side
    51,197.82x = 1,659,121,564.07
  5. Step 5: Solve for x
    x = 1,659,121,564.07/51,197.82
  6. Step 6: Final answer
    x = 32,406.10

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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.