Home / 20,350.51-30,524.78-5,357.27

Finding the Fourth Proportional to 20,350.51, 30,524.78 and 5,357.27

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Solution

The fourth proportional to 20,350.51, 30,524.78 and 5,357.27 is: 8,035.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.51 : 30,524.78 = 5,357.27 : x
  2. Step 2: Convert to fraction form
    20,350.51/30,524.78 = 5,357.27/x
  3. Step 3: Cross multiply
    20,350.51x = 30,524.78 × 5,357.27
  4. Step 4: Simplify right side
    20,350.51x = 163,529,577.86
  5. Step 5: Solve for x
    x = 163,529,577.86/20,350.51
  6. Step 6: Final answer
    x = 8,035.65

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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.