Home / 20,566.53-30,849.84-4,984.20

Finding the Fourth Proportional to 20,566.53, 30,849.84 and 4,984.20

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Solution

The fourth proportional to 20,566.53, 30,849.84 and 4,984.20 is: 7,476.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.53 : 30,849.84 = 4,984.20 : x
  2. Step 2: Convert to fraction form
    20,566.53/30,849.84 = 4,984.20/x
  3. Step 3: Cross multiply
    20,566.53x = 30,849.84 × 4,984.20
  4. Step 4: Simplify right side
    20,566.53x = 153,761,772.53
  5. Step 5: Solve for x
    x = 153,761,772.53/20,566.53
  6. Step 6: Final answer
    x = 7,476.31

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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.