Home / 20,532.81-30,799.26-4,950.45

Finding the Fourth Proportional to 20,532.81, 30,799.26 and 4,950.45

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Solution

The fourth proportional to 20,532.81, 30,799.26 and 4,950.45 is: 7,425.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,532.81 : 30,799.26 = 4,950.45 : x
  2. Step 2: Convert to fraction form
    20,532.81/30,799.26 = 4,950.45/x
  3. Step 3: Cross multiply
    20,532.81x = 30,799.26 × 4,950.45
  4. Step 4: Simplify right side
    20,532.81x = 152,470,196.67
  5. Step 5: Solve for x
    x = 152,470,196.67/20,532.81
  6. Step 6: Final answer
    x = 7,425.69

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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.