Home / 20,579.76-30,869.37-4,997.52

Finding the Fourth Proportional to 20,579.76, 30,869.37 and 4,997.52

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Solution

The fourth proportional to 20,579.76, 30,869.37 and 4,997.52 is: 7,496.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,579.76 : 30,869.37 = 4,997.52 : x
  2. Step 2: Convert to fraction form
    20,579.76/30,869.37 = 4,997.52/x
  3. Step 3: Cross multiply
    20,579.76x = 30,869.37 × 4,997.52
  4. Step 4: Simplify right side
    20,579.76x = 154,270,293.96
  5. Step 5: Solve for x
    x = 154,270,293.96/20,579.76
  6. Step 6: Final answer
    x = 7,496.21

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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.