Home / 51,170.05-76,722.07-21,579.94

Finding the Fourth Proportional to 51,170.05, 76,722.07 and 21,579.94

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Solution

The fourth proportional to 51,170.05, 76,722.07 and 21,579.94 is: 32,355.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,170.05 : 76,722.07 = 21,579.94 : x
  2. Step 2: Convert to fraction form
    51,170.05/76,722.07 = 21,579.94/x
  3. Step 3: Cross multiply
    51,170.05x = 76,722.07 × 21,579.94
  4. Step 4: Simplify right side
    51,170.05x = 1,655,657,667.28
  5. Step 5: Solve for x
    x = 1,655,657,667.28/51,170.05
  6. Step 6: Final answer
    x = 32,355.99

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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.