Home / 20,523.03-30,784.55-4,940.66

Finding the Fourth Proportional to 20,523.03, 30,784.55 and 4,940.66

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Solution

The fourth proportional to 20,523.03, 30,784.55 and 4,940.66 is: 7,410.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,523.03 : 30,784.55 = 4,940.66 : x
  2. Step 2: Convert to fraction form
    20,523.03/30,784.55 = 4,940.66/x
  3. Step 3: Cross multiply
    20,523.03x = 30,784.55 × 4,940.66
  4. Step 4: Simplify right side
    20,523.03x = 152,095,816.18
  5. Step 5: Solve for x
    x = 152,095,816.18/20,523.03
  6. Step 6: Final answer
    x = 7,410.98

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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.