Home / 20,566.26-30,849.09-4,983.78

Finding the Fourth Proportional to 20,566.26, 30,849.09 and 4,983.78

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Solution

The fourth proportional to 20,566.26, 30,849.09 and 4,983.78 is: 7,475.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,566.26 : 30,849.09 = 4,983.78 : x
  2. Step 2: Convert to fraction form
    20,566.26/30,849.09 = 4,983.78/x
  3. Step 3: Cross multiply
    20,566.26x = 30,849.09 × 4,983.78
  4. Step 4: Simplify right side
    20,566.26x = 153,745,077.76
  5. Step 5: Solve for x
    x = 153,745,077.76/20,566.26
  6. Step 6: Final answer
    x = 7,475.60

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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.