Home / 20,349.53-30,521.19-5,559.65

Finding the Fourth Proportional to 20,349.53, 30,521.19 and 5,559.65

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Solution

The fourth proportional to 20,349.53, 30,521.19 and 5,559.65 is: 8,338.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,349.53 : 30,521.19 = 5,559.65 : x
  2. Step 2: Convert to fraction form
    20,349.53/30,521.19 = 5,559.65/x
  3. Step 3: Cross multiply
    20,349.53x = 30,521.19 × 5,559.65
  4. Step 4: Simplify right side
    20,349.53x = 169,687,133.98
  5. Step 5: Solve for x
    x = 169,687,133.98/20,349.53
  6. Step 6: Final answer
    x = 8,338.63

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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.