Home / 20,349.26-30,521.54-5,559.37

Finding the Fourth Proportional to 20,349.26, 30,521.54 and 5,559.37

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Solution

The fourth proportional to 20,349.26, 30,521.54 and 5,559.37 is: 8,338.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,349.26 : 30,521.54 = 5,559.37 : x
  2. Step 2: Convert to fraction form
    20,349.26/30,521.54 = 5,559.37/x
  3. Step 3: Cross multiply
    20,349.26x = 30,521.54 × 5,559.37
  4. Step 4: Simplify right side
    20,349.26x = 169,680,471.42
  5. Step 5: Solve for x
    x = 169,680,471.42/20,349.26
  6. Step 6: Final answer
    x = 8,338.41

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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.