Home / 20,276.06-30,412.94-5,483.90

Finding the Fourth Proportional to 20,276.06, 30,412.94 and 5,483.90

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Solution

The fourth proportional to 20,276.06, 30,412.94 and 5,483.90 is: 8,225.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,276.06 : 30,412.94 = 5,483.90 : x
  2. Step 2: Convert to fraction form
    20,276.06/30,412.94 = 5,483.90/x
  3. Step 3: Cross multiply
    20,276.06x = 30,412.94 × 5,483.90
  4. Step 4: Simplify right side
    20,276.06x = 166,781,570.28
  5. Step 5: Solve for x
    x = 166,781,570.28/20,276.06
  6. Step 6: Final answer
    x = 8,225.54

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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.