Home / 20,351.80-30,529.38-5,560.84

Finding the Fourth Proportional to 20,351.80, 30,529.38 and 5,560.84

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Solution

The fourth proportional to 20,351.80, 30,529.38 and 5,560.84 is: 8,341.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,351.80 : 30,529.38 = 5,560.84 : x
  2. Step 2: Convert to fraction form
    20,351.80/30,529.38 = 5,560.84/x
  3. Step 3: Cross multiply
    20,351.80x = 30,529.38 × 5,560.84
  4. Step 4: Simplify right side
    20,351.80x = 169,768,997.48
  5. Step 5: Solve for x
    x = 169,768,997.48/20,351.80
  6. Step 6: Final answer
    x = 8,341.72

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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.