Home / 20,544.56-30,816.88-4,962.18

Finding the Fourth Proportional to 20,544.56, 30,816.88 and 4,962.18

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Solution

The fourth proportional to 20,544.56, 30,816.88 and 4,962.18 is: 7,443.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,544.56 : 30,816.88 = 4,962.18 : x
  2. Step 2: Convert to fraction form
    20,544.56/30,816.88 = 4,962.18/x
  3. Step 3: Cross multiply
    20,544.56x = 30,816.88 × 4,962.18
  4. Step 4: Simplify right side
    20,544.56x = 152,919,008.76
  5. Step 5: Solve for x
    x = 152,919,008.76/20,544.56
  6. Step 6: Final answer
    x = 7,443.29

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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.