Home / 20,350.82-30,525.93-5,559.71

Finding the Fourth Proportional to 20,350.82, 30,525.93 and 5,559.71

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Solution

The fourth proportional to 20,350.82, 30,525.93 and 5,559.71 is: 8,339.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,350.82 : 30,525.93 = 5,559.71 : x
  2. Step 2: Convert to fraction form
    20,350.82/30,525.93 = 5,559.71/x
  3. Step 3: Cross multiply
    20,350.82x = 30,525.93 × 5,559.71
  4. Step 4: Simplify right side
    20,350.82x = 169,715,318.28
  5. Step 5: Solve for x
    x = 169,715,318.28/20,350.82
  6. Step 6: Final answer
    x = 8,339.48

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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.